987381720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9173}}^1$

素因数の和:9226

約数の個数: 192

約数和(自身を含む): 3606482880

約数和(自身を除く): 2619101160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 52, 60, 65, 69, 72, 78, 90, 92, 104, 115, 117, 120, 130, 138, 156, 180, 184, 195, 207, 230, 234, 260, 276, 299, 312, 345, 360, 390, 414, 460, 468, 520, 552, 585, 598, 690, 780, 828, 897, 920, 936, 1035, 1170, 1196, 1380, 1495, 1560, 1656, 1794, 2070, 2340, 2392, 2691, 2760, 2990, 3588, 4140, 4485, 4680, 5382, 5980, 7176, 8280, 8970, 9173, 10764, 11960, 13455, 17940, 18346, 21528, 26910, 27519, 35880, 36692, 45865, 53820, 55038, 73384, 82557, 91730, 107640, 110076, 119249, 137595, 165114, 183460, 210979, 220152, 238498, 275190, 330228, 357747, 366920, 412785, 421958, 476996, 550380, 596245, 632937, 660456, 715494, 825570, 843916, 953992, 1054895, 1073241, 1100760, 1192490, 1265874, 1430988, 1651140, 1687832, 1788735, 1898811, 2109790, 2146482, 2384980, 2531748, 2742727, 2861976, 3164685, 3302280, 3577470, 3797622, 4219580, 4292964, 4769960, 5063496, 5366205, 5485454, 6329370, 7154940, 7595244, 8228181, 8439160, 8585928, 9494055, 10732410, 10970908, 12658740, 13713635, 14309880, 15190488, 16456362, 18988110, 21464820, 21941816, 24684543, 25317480, 27427270, 32912724, 37976220, 41140905, 42929640, 49369086, 54854540, 65825448, 75952440, 82281810, 98738172, 109709080, 123422715, 164563620, 197476344, 246845430, 329127240, 493690860, 987381720]

約数ペア:

[(1, 987381720), (2, 493690860), (3, 329127240), (4, 246845430), (5, 197476344), (6, 164563620), (8, 123422715), (9, 109709080), (10, 98738172), (12, 82281810), (13, 75952440), (15, 65825448), (18, 54854540), (20, 49369086), (23, 42929640), (24, 41140905), (26, 37976220), (30, 32912724), (36, 27427270), (39, 25317480), (40, 24684543), (45, 21941816), (46, 21464820), (52, 18988110), (60, 16456362), (65, 15190488), (69, 14309880), (72, 13713635), (78, 12658740), (90, 10970908), (92, 10732410), (104, 9494055), (115, 8585928), (117, 8439160), (120, 8228181), (130, 7595244), (138, 7154940), (156, 6329370), (180, 5485454), (184, 5366205), (195, 5063496), (207, 4769960), (230, 4292964), (234, 4219580), (260, 3797622), (276, 3577470), (299, 3302280), (312, 3164685), (345, 2861976), (360, 2742727), (390, 2531748), (414, 2384980), (460, 2146482), (468, 2109790), (520, 1898811), (552, 1788735), (585, 1687832), (598, 1651140), (690, 1430988), (780, 1265874), (828, 1192490), (897, 1100760), (920, 1073241), (936, 1054895), (1035, 953992), (1170, 843916), (1196, 825570), (1380, 715494), (1495, 660456), (1560, 632937), (1656, 596245), (1794, 550380), (2070, 476996), (2340, 421958), (2392, 412785), (2691, 366920), (2760, 357747), (2990, 330228), (3588, 275190), (4140, 238498), (4485, 220152), (4680, 210979), (5382, 183460), (5980, 165114), (7176, 137595), (8280, 119249), (8970, 110076), (9173, 107640), (10764, 91730), (11960, 82557), (13455, 73384), (17940, 55038), (18346, 53820), (21528, 45865), (26910, 36692), (27519, 35880)]