721815120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1151}}^1$

素因数の和:1250

約数の個数: 240

約数和(自身を含む): 2651830272

約数和(自身を除く): 1930015152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 67, 72, 78, 80, 90, 104, 117, 120, 130, 134, 144, 156, 180, 195, 201, 208, 234, 240, 260, 268, 312, 335, 360, 390, 402, 468, 520, 536, 585, 603, 624, 670, 720, 780, 804, 871, 936, 1005, 1040, 1072, 1151, 1170, 1206, 1340, 1560, 1608, 1742, 1872, 2010, 2302, 2340, 2412, 2613, 2680, 3015, 3120, 3216, 3453, 3484, 4020, 4355, 4604, 4680, 4824, 5226, 5360, 5755, 6030, 6906, 6968, 7839, 8040, 8710, 9208, 9360, 9648, 10359, 10452, 11510, 12060, 13065, 13812, 13936, 14963, 15678, 16080, 17265, 17420, 18416, 20718, 20904, 23020, 24120, 26130, 27624, 29926, 31356, 34530, 34840, 39195, 41436, 41808, 44889, 46040, 48240, 51795, 52260, 55248, 59852, 62712, 69060, 69680, 74815, 77117, 78390, 82872, 89778, 92080, 103590, 104520, 119704, 125424, 134667, 138120, 149630, 154234, 156780, 165744, 179556, 207180, 209040, 224445, 231351, 239408, 269334, 276240, 299260, 308468, 313560, 359112, 385585, 414360, 448890, 462702, 538668, 598520, 616936, 627120, 673335, 694053, 718224, 771170, 828720, 897780, 925404, 1002521, 1077336, 1156755, 1197040, 1233872, 1346670, 1388106, 1542340, 1795560, 1850808, 2005042, 2154672, 2313510, 2693340, 2776212, 3007563, 3084680, 3470265, 3591120, 3701616, 4010084, 4627020, 5012605, 5386680, 5552424, 6015126, 6169360, 6940530, 8020168, 9022689, 9254040, 10025210, 10773360, 11104848, 12030252, 13881060, 15037815, 16040336, 18045378, 18508080, 20050420, 24060504, 27762120, 30075630, 36090756, 40100840, 45113445, 48121008, 55524240, 60151260, 72181512, 80201680, 90226890, 120302520, 144363024, 180453780, 240605040, 360907560, 721815120]

約数ペア:

[(1, 721815120), (2, 360907560), (3, 240605040), (4, 180453780), (5, 144363024), (6, 120302520), (8, 90226890), (9, 80201680), (10, 72181512), (12, 60151260), (13, 55524240), (15, 48121008), (16, 45113445), (18, 40100840), (20, 36090756), (24, 30075630), (26, 27762120), (30, 24060504), (36, 20050420), (39, 18508080), (40, 18045378), (45, 16040336), (48, 15037815), (52, 13881060), (60, 12030252), (65, 11104848), (67, 10773360), (72, 10025210), (78, 9254040), (80, 9022689), (90, 8020168), (104, 6940530), (117, 6169360), (120, 6015126), (130, 5552424), (134, 5386680), (144, 5012605), (156, 4627020), (180, 4010084), (195, 3701616), (201, 3591120), (208, 3470265), (234, 3084680), (240, 3007563), (260, 2776212), (268, 2693340), (312, 2313510), (335, 2154672), (360, 2005042), (390, 1850808), (402, 1795560), (468, 1542340), (520, 1388106), (536, 1346670), (585, 1233872), (603, 1197040), (624, 1156755), (670, 1077336), (720, 1002521), (780, 925404), (804, 897780), (871, 828720), (936, 771170), (1005, 718224), (1040, 694053), (1072, 673335), (1151, 627120), (1170, 616936), (1206, 598520), (1340, 538668), (1560, 462702), (1608, 448890), (1742, 414360), (1872, 385585), (2010, 359112), (2302, 313560), (2340, 308468), (2412, 299260), (2613, 276240), (2680, 269334), (3015, 239408), (3120, 231351), (3216, 224445), (3453, 209040), (3484, 207180), (4020, 179556), (4355, 165744), (4604, 156780), (4680, 154234), (4824, 149630), (5226, 138120), (5360, 134667), (5755, 125424), (6030, 119704), (6906, 104520), (6968, 103590), (7839, 92080), (8040, 89778), (8710, 82872), (9208, 78390), (9360, 77117), (9648, 74815), (10359, 69680), (10452, 69060), (11510, 62712), (12060, 59852), (13065, 55248), (13812, 52260), (13936, 51795), (14963, 48240), (15678, 46040), (16080, 44889), (17265, 41808), (17420, 41436), (18416, 39195), (20718, 34840), (20904, 34530), (23020, 31356), (24120, 29926), (26130, 27624)]