643820320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1481}}^1$

素因数の和:1539

約数の個数: 192

約数和(自身を含む): 1882258560

約数和(自身を除く): 1238438240

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 19, 20, 22, 26, 32, 38, 40, 44, 52, 55, 65, 76, 80, 88, 95, 104, 110, 130, 143, 152, 160, 176, 190, 208, 209, 220, 247, 260, 286, 304, 352, 380, 416, 418, 440, 494, 520, 572, 608, 715, 760, 836, 880, 988, 1040, 1045, 1144, 1235, 1430, 1481, 1520, 1672, 1760, 1976, 2080, 2090, 2288, 2470, 2717, 2860, 2962, 3040, 3344, 3952, 4180, 4576, 4940, 5434, 5720, 5924, 6688, 7405, 7904, 8360, 9880, 10868, 11440, 11848, 13585, 14810, 16291, 16720, 19253, 19760, 21736, 22880, 23696, 27170, 28139, 29620, 32582, 33440, 38506, 39520, 43472, 47392, 54340, 56278, 59240, 65164, 77012, 81455, 86944, 96265, 108680, 112556, 118480, 130328, 140695, 154024, 162910, 192530, 211783, 217360, 225112, 236960, 260656, 281390, 308048, 309529, 325820, 365807, 385060, 423566, 434720, 450224, 521312, 562780, 616096, 619058, 651640, 731614, 770120, 847132, 900448, 1058915, 1125560, 1238116, 1303280, 1463228, 1540240, 1547645, 1694264, 1829035, 2117830, 2251120, 2476232, 2606560, 2926456, 3080480, 3095290, 3388528, 3658070, 4023877, 4235660, 4502240, 4952464, 5852912, 6190580, 6777056, 7316140, 8047754, 8471320, 9904928, 11705824, 12381160, 14632280, 16095508, 16942640, 20119385, 24762320, 29264560, 32191016, 33885280, 40238770, 49524640, 58529120, 64382032, 80477540, 128764064, 160955080, 321910160, 643820320]

約数ペア:

[(1, 643820320), (2, 321910160), (4, 160955080), (5, 128764064), (8, 80477540), (10, 64382032), (11, 58529120), (13, 49524640), (16, 40238770), (19, 33885280), (20, 32191016), (22, 29264560), (26, 24762320), (32, 20119385), (38, 16942640), (40, 16095508), (44, 14632280), (52, 12381160), (55, 11705824), (65, 9904928), (76, 8471320), (80, 8047754), (88, 7316140), (95, 6777056), (104, 6190580), (110, 5852912), (130, 4952464), (143, 4502240), (152, 4235660), (160, 4023877), (176, 3658070), (190, 3388528), (208, 3095290), (209, 3080480), (220, 2926456), (247, 2606560), (260, 2476232), (286, 2251120), (304, 2117830), (352, 1829035), (380, 1694264), (416, 1547645), (418, 1540240), (440, 1463228), (494, 1303280), (520, 1238116), (572, 1125560), (608, 1058915), (715, 900448), (760, 847132), (836, 770120), (880, 731614), (988, 651640), (1040, 619058), (1045, 616096), (1144, 562780), (1235, 521312), (1430, 450224), (1481, 434720), (1520, 423566), (1672, 385060), (1760, 365807), (1976, 325820), (2080, 309529), (2090, 308048), (2288, 281390), (2470, 260656), (2717, 236960), (2860, 225112), (2962, 217360), (3040, 211783), (3344, 192530), (3952, 162910), (4180, 154024), (4576, 140695), (4940, 130328), (5434, 118480), (5720, 112556), (5924, 108680), (6688, 96265), (7405, 86944), (7904, 81455), (8360, 77012), (9880, 65164), (10868, 59240), (11440, 56278), (11848, 54340), (13585, 47392), (14810, 43472), (16291, 39520), (16720, 38506), (19253, 33440), (19760, 32582), (21736, 29620), (22880, 28139), (23696, 27170)]