253678880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:192

約数の個数: 288

約数和(自身を含む): 796340160

約数和(自身を除く): 542661280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 49, 52, 56, 65, 70, 76, 80, 91, 95, 98, 104, 112, 130, 131, 133, 140, 152, 160, 182, 190, 196, 208, 224, 245, 247, 260, 262, 266, 280, 304, 364, 380, 392, 416, 455, 490, 494, 520, 524, 532, 560, 608, 637, 655, 665, 728, 760, 784, 910, 917, 931, 980, 988, 1040, 1048, 1064, 1120, 1235, 1274, 1310, 1330, 1456, 1520, 1568, 1703, 1729, 1820, 1834, 1862, 1960, 1976, 2080, 2096, 2128, 2470, 2489, 2548, 2620, 2660, 2912, 3040, 3185, 3406, 3458, 3640, 3668, 3724, 3920, 3952, 4192, 4256, 4585, 4655, 4940, 4978, 5096, 5240, 5320, 6370, 6419, 6812, 6916, 7280, 7336, 7448, 7840, 7904, 8515, 8645, 9170, 9310, 9880, 9956, 10192, 10480, 10640, 11921, 12103, 12445, 12740, 12838, 13624, 13832, 14560, 14672, 14896, 17030, 17290, 17423, 18340, 18620, 19760, 19912, 20384, 20960, 21280, 23842, 24206, 24890, 25480, 25676, 27248, 27664, 29344, 29792, 32095, 32357, 34060, 34580, 34846, 36680, 37240, 39520, 39824, 47684, 48412, 49780, 50960, 51352, 54496, 55328, 59605, 60515, 64190, 64714, 68120, 69160, 69692, 73360, 74480, 79648, 83447, 87115, 95368, 96824, 99560, 101920, 102704, 119210, 121030, 121961, 128380, 129428, 136240, 138320, 139384, 146720, 148960, 161785, 166894, 174230, 190736, 193648, 199120, 205408, 226499, 238420, 242060, 243922, 256760, 258856, 272480, 276640, 278768, 323570, 333788, 348460, 381472, 387296, 398240, 417235, 452998, 476840, 484120, 487844, 513520, 517712, 557536, 609805, 647140, 667576, 696920, 834470, 905996, 953680, 968240, 975688, 1027040, 1035424, 1132495, 1219610, 1294280, 1335152, 1393840, 1585493, 1668940, 1811992, 1907360, 1936480, 1951376, 2264990, 2439220, 2588560, 2670304, 2787680, 3170986, 3337880, 3623984, 3902752, 4529980, 4878440, 5177120, 6341972, 6675760, 7247968, 7927465, 9059960, 9756880, 12683944, 13351520, 15854930, 18119920, 19513760, 25367888, 31709860, 36239840, 50735776, 63419720, 126839440, 253678880]

約数ペア:

[(1, 253678880), (2, 126839440), (4, 63419720), (5, 50735776), (7, 36239840), (8, 31709860), (10, 25367888), (13, 19513760), (14, 18119920), (16, 15854930), (19, 13351520), (20, 12683944), (26, 9756880), (28, 9059960), (32, 7927465), (35, 7247968), (38, 6675760), (40, 6341972), (49, 5177120), (52, 4878440), (56, 4529980), (65, 3902752), (70, 3623984), (76, 3337880), (80, 3170986), (91, 2787680), (95, 2670304), (98, 2588560), (104, 2439220), (112, 2264990), (130, 1951376), (131, 1936480), (133, 1907360), (140, 1811992), (152, 1668940), (160, 1585493), (182, 1393840), (190, 1335152), (196, 1294280), (208, 1219610), (224, 1132495), (245, 1035424), (247, 1027040), (260, 975688), (262, 968240), (266, 953680), (280, 905996), (304, 834470), (364, 696920), (380, 667576), (392, 647140), (416, 609805), (455, 557536), (490, 517712), (494, 513520), (520, 487844), (524, 484120), (532, 476840), (560, 452998), (608, 417235), (637, 398240), (655, 387296), (665, 381472), (728, 348460), (760, 333788), (784, 323570), (910, 278768), (917, 276640), (931, 272480), (980, 258856), (988, 256760), (1040, 243922), (1048, 242060), (1064, 238420), (1120, 226499), (1235, 205408), (1274, 199120), (1310, 193648), (1330, 190736), (1456, 174230), (1520, 166894), (1568, 161785), (1703, 148960), (1729, 146720), (1820, 139384), (1834, 138320), (1862, 136240), (1960, 129428), (1976, 128380), (2080, 121961), (2096, 121030), (2128, 119210), (2470, 102704), (2489, 101920), (2548, 99560), (2620, 96824), (2660, 95368), (2912, 87115), (3040, 83447), (3185, 79648), (3406, 74480), (3458, 73360), (3640, 69692), (3668, 69160), (3724, 68120), (3920, 64714), (3952, 64190), (4192, 60515), (4256, 59605), (4585, 55328), (4655, 54496), (4940, 51352), (4978, 50960), (5096, 49780), (5240, 48412), (5320, 47684), (6370, 39824), (6419, 39520), (6812, 37240), (6916, 36680), (7280, 34846), (7336, 34580), (7448, 34060), (7840, 32357), (7904, 32095), (8515, 29792), (8645, 29344), (9170, 27664), (9310, 27248), (9880, 25676), (9956, 25480), (10192, 24890), (10480, 24206), (10640, 23842), (11921, 21280), (12103, 20960), (12445, 20384), (12740, 19912), (12838, 19760), (13624, 18620), (13832, 18340), (14560, 17423), (14672, 17290), (14896, 17030)]