128757680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1$

素因数の和:211

約数の個数: 160

約数和(自身を含む): 342835200

約数和(自身を除く): 214077520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 29, 38, 40, 46, 58, 76, 80, 92, 95, 115, 116, 127, 145, 152, 184, 190, 230, 232, 254, 290, 304, 368, 380, 437, 460, 464, 508, 551, 580, 635, 667, 760, 874, 920, 1016, 1102, 1160, 1270, 1334, 1520, 1748, 1840, 2032, 2185, 2204, 2320, 2413, 2540, 2668, 2755, 2921, 3335, 3496, 3683, 4370, 4408, 4826, 5080, 5336, 5510, 5842, 6670, 6992, 7366, 8740, 8816, 9652, 10160, 10672, 11020, 11684, 12065, 12673, 13340, 14605, 14732, 17480, 18415, 19304, 22040, 23368, 24130, 25346, 26680, 29210, 29464, 34960, 36830, 38608, 44080, 46736, 48260, 50692, 53360, 55499, 58420, 58928, 63365, 69977, 73660, 84709, 96520, 101384, 110998, 116840, 126730, 139954, 147320, 169418, 193040, 202768, 221996, 233680, 253460, 277495, 279908, 294640, 338836, 349885, 423545, 443992, 506920, 554990, 559816, 677672, 699770, 847090, 887984, 1013840, 1109980, 1119632, 1355344, 1399540, 1609471, 1694180, 2219960, 2799080, 3218942, 3388360, 4439920, 5598160, 6437884, 6776720, 8047355, 12875768, 16094710, 25751536, 32189420, 64378840, 128757680]

約数ペア:

[(1, 128757680), (2, 64378840), (4, 32189420), (5, 25751536), (8, 16094710), (10, 12875768), (16, 8047355), (19, 6776720), (20, 6437884), (23, 5598160), (29, 4439920), (38, 3388360), (40, 3218942), (46, 2799080), (58, 2219960), (76, 1694180), (80, 1609471), (92, 1399540), (95, 1355344), (115, 1119632), (116, 1109980), (127, 1013840), (145, 887984), (152, 847090), (184, 699770), (190, 677672), (230, 559816), (232, 554990), (254, 506920), (290, 443992), (304, 423545), (368, 349885), (380, 338836), (437, 294640), (460, 279908), (464, 277495), (508, 253460), (551, 233680), (580, 221996), (635, 202768), (667, 193040), (760, 169418), (874, 147320), (920, 139954), (1016, 126730), (1102, 116840), (1160, 110998), (1270, 101384), (1334, 96520), (1520, 84709), (1748, 73660), (1840, 69977), (2032, 63365), (2185, 58928), (2204, 58420), (2320, 55499), (2413, 53360), (2540, 50692), (2668, 48260), (2755, 46736), (2921, 44080), (3335, 38608), (3496, 36830), (3683, 34960), (4370, 29464), (4408, 29210), (4826, 26680), (5080, 25346), (5336, 24130), (5510, 23368), (5842, 22040), (6670, 19304), (6992, 18415), (7366, 17480), (8740, 14732), (8816, 14605), (9652, 13340), (10160, 12673), (10672, 12065), (11020, 11684)]