731643640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:270

約数の個数: 256

約数和(自身を含む): 2177280000

約数和(自身を除く): 1445636360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 71, 76, 91, 95, 104, 130, 133, 140, 142, 149, 152, 182, 190, 247, 260, 266, 280, 284, 298, 355, 364, 380, 455, 494, 497, 520, 532, 568, 596, 665, 710, 728, 745, 760, 910, 923, 988, 994, 1043, 1064, 1192, 1235, 1330, 1349, 1420, 1490, 1729, 1820, 1846, 1937, 1976, 1988, 2086, 2470, 2485, 2660, 2698, 2831, 2840, 2980, 3458, 3640, 3692, 3874, 3976, 4172, 4615, 4940, 4970, 5215, 5320, 5396, 5662, 5960, 6461, 6745, 6916, 7384, 7748, 8344, 8645, 9230, 9443, 9685, 9880, 9940, 10430, 10579, 10792, 11324, 12922, 13490, 13559, 13832, 14155, 15496, 17290, 17537, 18460, 18886, 19370, 19817, 19880, 20860, 21158, 22648, 25844, 26980, 27118, 28310, 32305, 34580, 35074, 36803, 36920, 37772, 38740, 39634, 41720, 42316, 47215, 51688, 52895, 53960, 54236, 56620, 64610, 67795, 69160, 70148, 73606, 74053, 75544, 77480, 79268, 84632, 87685, 94430, 99085, 105790, 108472, 113240, 122759, 129220, 135590, 137527, 140296, 147212, 148106, 158536, 175370, 184015, 188860, 198170, 201001, 211580, 245518, 257621, 258440, 271180, 275054, 294424, 296212, 350740, 368030, 370265, 377720, 396340, 402002, 423160, 491036, 515242, 542360, 550108, 592424, 613795, 687635, 701480, 736060, 740530, 792680, 804004, 962689, 982072, 1005005, 1030484, 1100216, 1227590, 1288105, 1375270, 1407007, 1472120, 1481060, 1608008, 1925378, 2010010, 2060968, 2455180, 2576210, 2613013, 2750540, 2814014, 2962120, 3850756, 4020020, 4813445, 4910360, 5152420, 5226026, 5501080, 5628028, 7035035, 7701512, 8040040, 9626890, 10304840, 10452052, 11256056, 13065065, 14070070, 18291091, 19253780, 20904104, 26130130, 28140140, 36582182, 38507560, 52260260, 56280280, 73164364, 91455455, 104520520, 146328728, 182910910, 365821820, 731643640]

約数ペア:

[(1, 731643640), (2, 365821820), (4, 182910910), (5, 146328728), (7, 104520520), (8, 91455455), (10, 73164364), (13, 56280280), (14, 52260260), (19, 38507560), (20, 36582182), (26, 28140140), (28, 26130130), (35, 20904104), (38, 19253780), (40, 18291091), (52, 14070070), (56, 13065065), (65, 11256056), (70, 10452052), (71, 10304840), (76, 9626890), (91, 8040040), (95, 7701512), (104, 7035035), (130, 5628028), (133, 5501080), (140, 5226026), (142, 5152420), (149, 4910360), (152, 4813445), (182, 4020020), (190, 3850756), (247, 2962120), (260, 2814014), (266, 2750540), (280, 2613013), (284, 2576210), (298, 2455180), (355, 2060968), (364, 2010010), (380, 1925378), (455, 1608008), (494, 1481060), (497, 1472120), (520, 1407007), (532, 1375270), (568, 1288105), (596, 1227590), (665, 1100216), (710, 1030484), (728, 1005005), (745, 982072), (760, 962689), (910, 804004), (923, 792680), (988, 740530), (994, 736060), (1043, 701480), (1064, 687635), (1192, 613795), (1235, 592424), (1330, 550108), (1349, 542360), (1420, 515242), (1490, 491036), (1729, 423160), (1820, 402002), (1846, 396340), (1937, 377720), (1976, 370265), (1988, 368030), (2086, 350740), (2470, 296212), (2485, 294424), (2660, 275054), (2698, 271180), (2831, 258440), (2840, 257621), (2980, 245518), (3458, 211580), (3640, 201001), (3692, 198170), (3874, 188860), (3976, 184015), (4172, 175370), (4615, 158536), (4940, 148106), (4970, 147212), (5215, 140296), (5320, 137527), (5396, 135590), (5662, 129220), (5960, 122759), (6461, 113240), (6745, 108472), (6916, 105790), (7384, 99085), (7748, 94430), (8344, 87685), (8645, 84632), (9230, 79268), (9443, 77480), (9685, 75544), (9880, 74053), (9940, 73606), (10430, 70148), (10579, 69160), (10792, 67795), (11324, 64610), (12922, 56620), (13490, 54236), (13559, 53960), (13832, 52895), (14155, 51688), (15496, 47215), (17290, 42316), (17537, 41720), (18460, 39634), (18886, 38740), (19370, 37772), (19817, 36920), (19880, 36803), (20860, 35074), (21158, 34580), (22648, 32305), (25844, 28310), (26980, 27118)]