316919200

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1047

約数の個数: 144

約数和(自身を含む): 860944896

約数和(自身を除く): 544025696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 248, 260, 310, 325, 400, 403, 416, 496, 520, 620, 650, 775, 800, 806, 983, 992, 1040, 1240, 1300, 1550, 1612, 1966, 2015, 2080, 2480, 2600, 3100, 3224, 3932, 4030, 4915, 4960, 5200, 6200, 6448, 7864, 8060, 9830, 10075, 10400, 12400, 12779, 12896, 15728, 16120, 19660, 20150, 24575, 24800, 25558, 30473, 31456, 32240, 39320, 40300, 49150, 51116, 60946, 63895, 64480, 78640, 80600, 98300, 102232, 121892, 127790, 152365, 157280, 161200, 196600, 204464, 243784, 255580, 304730, 319475, 322400, 393200, 396149, 408928, 487568, 511160, 609460, 638950, 761825, 786400, 792298, 975136, 1022320, 1218920, 1277900, 1523650, 1584596, 1980745, 2044640, 2437840, 2555800, 3047300, 3169192, 3961490, 4875680, 5111600, 6094600, 6338384, 7922980, 9903725, 10223200, 12189200, 12676768, 15845960, 19807450, 24378400, 31691920, 39614900, 63383840, 79229800, 158459600, 316919200]

約数ペア:

[(1, 316919200), (2, 158459600), (4, 79229800), (5, 63383840), (8, 39614900), (10, 31691920), (13, 24378400), (16, 19807450), (20, 15845960), (25, 12676768), (26, 12189200), (31, 10223200), (32, 9903725), (40, 7922980), (50, 6338384), (52, 6094600), (62, 5111600), (65, 4875680), (80, 3961490), (100, 3169192), (104, 3047300), (124, 2555800), (130, 2437840), (155, 2044640), (160, 1980745), (200, 1584596), (208, 1523650), (248, 1277900), (260, 1218920), (310, 1022320), (325, 975136), (400, 792298), (403, 786400), (416, 761825), (496, 638950), (520, 609460), (620, 511160), (650, 487568), (775, 408928), (800, 396149), (806, 393200), (983, 322400), (992, 319475), (1040, 304730), (1240, 255580), (1300, 243784), (1550, 204464), (1612, 196600), (1966, 161200), (2015, 157280), (2080, 152365), (2480, 127790), (2600, 121892), (3100, 102232), (3224, 98300), (3932, 80600), (4030, 78640), (4915, 64480), (4960, 63895), (5200, 60946), (6200, 51116), (6448, 49150), (7864, 40300), (8060, 39320), (9830, 32240), (10075, 31456), (10400, 30473), (12400, 25558), (12779, 24800), (12896, 24575), (15728, 20150), (16120, 19660)]