78628680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:400

約数の個数: 192

約数和(自身を含む): 281277360

約数和(自身を除く): 202648680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 53, 60, 65, 72, 78, 90, 104, 106, 117, 120, 130, 156, 159, 180, 195, 212, 234, 260, 265, 312, 317, 318, 360, 390, 424, 468, 477, 520, 530, 585, 634, 636, 689, 780, 795, 936, 951, 954, 1060, 1170, 1268, 1272, 1378, 1560, 1585, 1590, 1902, 1908, 2067, 2120, 2340, 2385, 2536, 2756, 2853, 3170, 3180, 3445, 3804, 3816, 4121, 4134, 4680, 4755, 4770, 5512, 5706, 6201, 6340, 6360, 6890, 7608, 8242, 8268, 9510, 9540, 10335, 11412, 12363, 12402, 12680, 13780, 14265, 16484, 16536, 16801, 19020, 19080, 20605, 20670, 22824, 24726, 24804, 27560, 28530, 31005, 32968, 33602, 37089, 38040, 41210, 41340, 49452, 49608, 50403, 57060, 61815, 62010, 67204, 74178, 82420, 82680, 84005, 98904, 100806, 114120, 123630, 124020, 134408, 148356, 151209, 164840, 168010, 185445, 201612, 218413, 247260, 248040, 252015, 296712, 302418, 336020, 370890, 403224, 436826, 494520, 504030, 604836, 655239, 672040, 741780, 756045, 873652, 1008060, 1092065, 1209672, 1310478, 1483560, 1512090, 1747304, 1965717, 2016120, 2184130, 2620956, 3024180, 3276195, 3931434, 4368260, 5241912, 6048360, 6552390, 7862868, 8736520, 9828585, 13104780, 15725736, 19657170, 26209560, 39314340, 78628680]

約数ペア:

[(1, 78628680), (2, 39314340), (3, 26209560), (4, 19657170), (5, 15725736), (6, 13104780), (8, 9828585), (9, 8736520), (10, 7862868), (12, 6552390), (13, 6048360), (15, 5241912), (18, 4368260), (20, 3931434), (24, 3276195), (26, 3024180), (30, 2620956), (36, 2184130), (39, 2016120), (40, 1965717), (45, 1747304), (52, 1512090), (53, 1483560), (60, 1310478), (65, 1209672), (72, 1092065), (78, 1008060), (90, 873652), (104, 756045), (106, 741780), (117, 672040), (120, 655239), (130, 604836), (156, 504030), (159, 494520), (180, 436826), (195, 403224), (212, 370890), (234, 336020), (260, 302418), (265, 296712), (312, 252015), (317, 248040), (318, 247260), (360, 218413), (390, 201612), (424, 185445), (468, 168010), (477, 164840), (520, 151209), (530, 148356), (585, 134408), (634, 124020), (636, 123630), (689, 114120), (780, 100806), (795, 98904), (936, 84005), (951, 82680), (954, 82420), (1060, 74178), (1170, 67204), (1268, 62010), (1272, 61815), (1378, 57060), (1560, 50403), (1585, 49608), (1590, 49452), (1902, 41340), (1908, 41210), (2067, 38040), (2120, 37089), (2340, 33602), (2385, 32968), (2536, 31005), (2756, 28530), (2853, 27560), (3170, 24804), (3180, 24726), (3445, 22824), (3804, 20670), (3816, 20605), (4121, 19080), (4134, 19020), (4680, 16801), (4755, 16536), (4770, 16484), (5512, 14265), (5706, 13780), (6201, 12680), (6340, 12402), (6360, 12363), (6890, 11412), (7608, 10335), (8242, 9540), (8268, 9510)]