1878014720

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:171

約数の個数: 288

約数和(自身を含む): 5086126080

約数和(自身を除く): 3208111360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 47, 53, 62, 64, 76, 80, 94, 95, 106, 124, 128, 152, 155, 160, 188, 190, 212, 235, 248, 256, 265, 304, 310, 320, 376, 380, 424, 470, 496, 530, 589, 608, 620, 640, 752, 760, 848, 893, 940, 992, 1007, 1060, 1178, 1216, 1240, 1280, 1457, 1504, 1520, 1643, 1696, 1786, 1880, 1984, 2014, 2120, 2356, 2432, 2480, 2491, 2914, 2945, 3008, 3040, 3286, 3392, 3572, 3760, 3968, 4028, 4240, 4465, 4712, 4864, 4960, 4982, 5035, 5828, 5890, 6016, 6080, 6572, 6784, 7144, 7285, 7520, 7936, 8056, 8215, 8480, 8930, 9424, 9920, 9964, 10070, 11656, 11780, 12032, 12160, 12455, 13144, 13568, 14288, 14570, 15040, 16112, 16430, 16960, 17860, 18848, 19840, 19928, 20140, 23312, 23560, 24320, 24910, 26288, 27683, 28576, 29140, 30080, 31217, 32224, 32860, 33920, 35720, 37696, 39680, 39856, 40280, 46624, 47120, 47329, 49820, 52576, 55366, 57152, 58280, 60160, 62434, 64448, 65720, 67840, 71440, 75392, 77221, 79712, 80560, 93248, 94240, 94658, 99640, 105152, 110732, 114304, 116560, 124868, 128896, 131440, 138415, 142880, 150784, 154442, 156085, 159424, 161120, 186496, 188480, 189316, 199280, 210304, 221464, 228608, 233120, 236645, 249736, 257792, 262880, 276830, 285760, 308884, 312170, 318848, 322240, 372992, 376960, 378632, 386105, 398560, 420608, 442928, 466240, 473290, 499472, 525760, 553660, 571520, 617768, 624340, 637696, 644480, 753920, 757264, 772210, 797120, 885856, 932480, 946580, 998944, 1051520, 1107320, 1143040, 1235536, 1248680, 1288960, 1467199, 1514528, 1544420, 1594240, 1771712, 1864960, 1893160, 1997888, 2103040, 2214640, 2471072, 2497360, 2934398, 3029056, 3088840, 3188480, 3543424, 3786320, 3995776, 4429280, 4942144, 4994720, 5868796, 6058112, 6177680, 7086848, 7335995, 7572640, 7991552, 8858560, 9884288, 9989440, 11737592, 12116224, 12355360, 14671990, 15145280, 17717120, 19768576, 19978880, 23475184, 24710720, 29343980, 30290560, 35434240, 39957760, 46950368, 49421440, 58687960, 60581120, 93900736, 98842880, 117375920, 187801472, 234751840, 375602944, 469503680, 939007360, 1878014720]

約数ペア:

[(1, 1878014720), (2, 939007360), (4, 469503680), (5, 375602944), (8, 234751840), (10, 187801472), (16, 117375920), (19, 98842880), (20, 93900736), (31, 60581120), (32, 58687960), (38, 49421440), (40, 46950368), (47, 39957760), (53, 35434240), (62, 30290560), (64, 29343980), (76, 24710720), (80, 23475184), (94, 19978880), (95, 19768576), (106, 17717120), (124, 15145280), (128, 14671990), (152, 12355360), (155, 12116224), (160, 11737592), (188, 9989440), (190, 9884288), (212, 8858560), (235, 7991552), (248, 7572640), (256, 7335995), (265, 7086848), (304, 6177680), (310, 6058112), (320, 5868796), (376, 4994720), (380, 4942144), (424, 4429280), (470, 3995776), (496, 3786320), (530, 3543424), (589, 3188480), (608, 3088840), (620, 3029056), (640, 2934398), (752, 2497360), (760, 2471072), (848, 2214640), (893, 2103040), (940, 1997888), (992, 1893160), (1007, 1864960), (1060, 1771712), (1178, 1594240), (1216, 1544420), (1240, 1514528), (1280, 1467199), (1457, 1288960), (1504, 1248680), (1520, 1235536), (1643, 1143040), (1696, 1107320), (1786, 1051520), (1880, 998944), (1984, 946580), (2014, 932480), (2120, 885856), (2356, 797120), (2432, 772210), (2480, 757264), (2491, 753920), (2914, 644480), (2945, 637696), (3008, 624340), (3040, 617768), (3286, 571520), (3392, 553660), (3572, 525760), (3760, 499472), (3968, 473290), (4028, 466240), (4240, 442928), (4465, 420608), (4712, 398560), (4864, 386105), (4960, 378632), (4982, 376960), (5035, 372992), (5828, 322240), (5890, 318848), (6016, 312170), (6080, 308884), (6572, 285760), (6784, 276830), (7144, 262880), (7285, 257792), (7520, 249736), (7936, 236645), (8056, 233120), (8215, 228608), (8480, 221464), (8930, 210304), (9424, 199280), (9920, 189316), (9964, 188480), (10070, 186496), (11656, 161120), (11780, 159424), (12032, 156085), (12160, 154442), (12455, 150784), (13144, 142880), (13568, 138415), (14288, 131440), (14570, 128896), (15040, 124868), (16112, 116560), (16430, 114304), (16960, 110732), (17860, 105152), (18848, 99640), (19840, 94658), (19928, 94240), (20140, 93248), (23312, 80560), (23560, 79712), (24320, 77221), (24910, 75392), (26288, 71440), (27683, 67840), (28576, 65720), (29140, 64448), (30080, 62434), (31217, 60160), (32224, 58280), (32860, 57152), (33920, 55366), (35720, 52576), (37696, 49820), (39680, 47329), (39856, 47120), (40280, 46624)]