280381920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:183

約数の個数: 384

約数和(自身を含む): 1117670400

約数和(自身を除く): 837288480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 131, 140, 147, 156, 160, 168, 182, 195, 196, 208, 210, 224, 240, 245, 260, 262, 273, 280, 294, 312, 336, 343, 364, 390, 392, 393, 416, 420, 455, 480, 490, 520, 524, 546, 560, 588, 624, 637, 655, 672, 686, 728, 735, 780, 784, 786, 840, 910, 917, 980, 1029, 1040, 1048, 1092, 1120, 1176, 1248, 1274, 1310, 1365, 1372, 1456, 1470, 1560, 1568, 1572, 1680, 1703, 1715, 1820, 1834, 1911, 1960, 1965, 2058, 2080, 2096, 2184, 2352, 2548, 2620, 2730, 2744, 2751, 2912, 2940, 3120, 3144, 3185, 3360, 3406, 3430, 3640, 3668, 3822, 3920, 3930, 4116, 4192, 4368, 4459, 4585, 4704, 5096, 5109, 5145, 5240, 5460, 5488, 5502, 5880, 6240, 6288, 6370, 6419, 6812, 6860, 7280, 7336, 7644, 7840, 7860, 8232, 8515, 8736, 8918, 9170, 9555, 10192, 10218, 10290, 10480, 10920, 10976, 11004, 11760, 11921, 12576, 12740, 12838, 13377, 13624, 13720, 13755, 14560, 14672, 15288, 15720, 16464, 17030, 17836, 18340, 19110, 19257, 20384, 20436, 20580, 20960, 21840, 22008, 22295, 23520, 23842, 25480, 25545, 25676, 26754, 27248, 27440, 27510, 29344, 30576, 31440, 32095, 32928, 34060, 35672, 35763, 36680, 38220, 38514, 40872, 41160, 43680, 44016, 44590, 44933, 47684, 50960, 51090, 51352, 53508, 54496, 54880, 55020, 59605, 61152, 62880, 64190, 66885, 68120, 71344, 71526, 73360, 76440, 77028, 81744, 82320, 83447, 88032, 89180, 89866, 95368, 96285, 101920, 102180, 102704, 107016, 110040, 119210, 128380, 133770, 134799, 136240, 142688, 143052, 146720, 152880, 154056, 163488, 164640, 166894, 178360, 178815, 179732, 190736, 192570, 204360, 205408, 214032, 220080, 224665, 238420, 250341, 256760, 267540, 269598, 272480, 286104, 305760, 308112, 333788, 356720, 357630, 359464, 381472, 385140, 408720, 417235, 428064, 440160, 449330, 476840, 500682, 513520, 535080, 539196, 572208, 584129, 616224, 667576, 673995, 713440, 715260, 718928, 770280, 817440, 834470, 898660, 953680, 1001364, 1027040, 1070160, 1078392, 1144416, 1168258, 1251705, 1335152, 1347990, 1430520, 1437856, 1540560, 1668940, 1752387, 1797320, 1907360, 2002728, 2140320, 2156784, 2336516, 2503410, 2670304, 2695980, 2861040, 2920645, 3081120, 3337880, 3504774, 3594640, 4005456, 4313568, 4673032, 5006820, 5391960, 5722080, 5841290, 6675760, 7009548, 7189280, 8010912, 8761935, 9346064, 10013640, 10783920, 11682580, 13351520, 14019096, 17523870, 18692128, 20027280, 21567840, 23365160, 28038192, 35047740, 40054560, 46730320, 56076384, 70095480, 93460640, 140190960, 280381920]

約数ペア:

[(1, 280381920), (2, 140190960), (3, 93460640), (4, 70095480), (5, 56076384), (6, 46730320), (7, 40054560), (8, 35047740), (10, 28038192), (12, 23365160), (13, 21567840), (14, 20027280), (15, 18692128), (16, 17523870), (20, 14019096), (21, 13351520), (24, 11682580), (26, 10783920), (28, 10013640), (30, 9346064), (32, 8761935), (35, 8010912), (39, 7189280), (40, 7009548), (42, 6675760), (48, 5841290), (49, 5722080), (52, 5391960), (56, 5006820), (60, 4673032), (65, 4313568), (70, 4005456), (78, 3594640), (80, 3504774), (84, 3337880), (91, 3081120), (96, 2920645), (98, 2861040), (104, 2695980), (105, 2670304), (112, 2503410), (120, 2336516), (130, 2156784), (131, 2140320), (140, 2002728), (147, 1907360), (156, 1797320), (160, 1752387), (168, 1668940), (182, 1540560), (195, 1437856), (196, 1430520), (208, 1347990), (210, 1335152), (224, 1251705), (240, 1168258), (245, 1144416), (260, 1078392), (262, 1070160), (273, 1027040), (280, 1001364), (294, 953680), (312, 898660), (336, 834470), (343, 817440), (364, 770280), (390, 718928), (392, 715260), (393, 713440), (416, 673995), (420, 667576), (455, 616224), (480, 584129), (490, 572208), (520, 539196), (524, 535080), (546, 513520), (560, 500682), (588, 476840), (624, 449330), (637, 440160), (655, 428064), (672, 417235), (686, 408720), (728, 385140), (735, 381472), (780, 359464), (784, 357630), (786, 356720), (840, 333788), (910, 308112), (917, 305760), (980, 286104), (1029, 272480), (1040, 269598), (1048, 267540), (1092, 256760), (1120, 250341), (1176, 238420), (1248, 224665), (1274, 220080), (1310, 214032), (1365, 205408), (1372, 204360), (1456, 192570), (1470, 190736), (1560, 179732), (1568, 178815), (1572, 178360), (1680, 166894), (1703, 164640), (1715, 163488), (1820, 154056), (1834, 152880), (1911, 146720), (1960, 143052), (1965, 142688), (2058, 136240), (2080, 134799), (2096, 133770), (2184, 128380), (2352, 119210), (2548, 110040), (2620, 107016), (2730, 102704), (2744, 102180), (2751, 101920), (2912, 96285), (2940, 95368), (3120, 89866), (3144, 89180), (3185, 88032), (3360, 83447), (3406, 82320), (3430, 81744), (3640, 77028), (3668, 76440), (3822, 73360), (3920, 71526), (3930, 71344), (4116, 68120), (4192, 66885), (4368, 64190), (4459, 62880), (4585, 61152), (4704, 59605), (5096, 55020), (5109, 54880), (5145, 54496), (5240, 53508), (5460, 51352), (5488, 51090), (5502, 50960), (5880, 47684), (6240, 44933), (6288, 44590), (6370, 44016), (6419, 43680), (6812, 41160), (6860, 40872), (7280, 38514), (7336, 38220), (7644, 36680), (7840, 35763), (7860, 35672), (8232, 34060), (8515, 32928), (8736, 32095), (8918, 31440), (9170, 30576), (9555, 29344), (10192, 27510), (10218, 27440), (10290, 27248), (10480, 26754), (10920, 25676), (10976, 25545), (11004, 25480), (11760, 23842), (11921, 23520), (12576, 22295), (12740, 22008), (12838, 21840), (13377, 20960), (13624, 20580), (13720, 20436), (13755, 20384), (14560, 19257), (14672, 19110), (15288, 18340), (15720, 17836), (16464, 17030)]