320250840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29327}}^1$

素因数の和:29361

約数の個数: 128

約数和(自身を含む): 1182504960

約数和(自身を除く): 862254120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 29327, 58654, 87981, 117308, 146635, 175962, 205289, 234616, 293270, 351924, 381251, 410578, 439905, 586540, 615867, 703848, 762502, 821156, 879810, 1026445, 1143753, 1173080, 1231734, 1525004, 1642312, 1759620, 1906255, 2052890, 2287506, 2463468, 2668757, 3050008, 3079335, 3519240, 3812510, 4105780, 4575012, 4926936, 5337514, 5718765, 6158670, 7625020, 8006271, 8211560, 9150024, 10675028, 11437530, 12317340, 13343785, 15250040, 16012542, 21350056, 22875060, 24634680, 26687570, 32025084, 40031355, 45750120, 53375140, 64050168, 80062710, 106750280, 160125420, 320250840]

約数ペア:

[(1, 320250840), (2, 160125420), (3, 106750280), (4, 80062710), (5, 64050168), (6, 53375140), (7, 45750120), (8, 40031355), (10, 32025084), (12, 26687570), (13, 24634680), (14, 22875060), (15, 21350056), (20, 16012542), (21, 15250040), (24, 13343785), (26, 12317340), (28, 11437530), (30, 10675028), (35, 9150024), (39, 8211560), (40, 8006271), (42, 7625020), (52, 6158670), (56, 5718765), (60, 5337514), (65, 4926936), (70, 4575012), (78, 4105780), (84, 3812510), (91, 3519240), (104, 3079335), (105, 3050008), (120, 2668757), (130, 2463468), (140, 2287506), (156, 2052890), (168, 1906255), (182, 1759620), (195, 1642312), (210, 1525004), (260, 1231734), (273, 1173080), (280, 1143753), (312, 1026445), (364, 879810), (390, 821156), (420, 762502), (455, 703848), (520, 615867), (546, 586540), (728, 439905), (780, 410578), (840, 381251), (910, 351924), (1092, 293270), (1365, 234616), (1560, 205289), (1820, 175962), (2184, 146635), (2730, 117308), (3640, 87981), (5460, 58654), (10920, 29327)]