90384420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 299230848

約数和(自身を除く): 208846428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 355, 420, 426, 433, 490, 497, 588, 710, 735, 852, 866, 980, 994, 1065, 1299, 1420, 1470, 1491, 1732, 1988, 2130, 2165, 2485, 2598, 2940, 2982, 3031, 3479, 4260, 4330, 4970, 5196, 5964, 6062, 6495, 6958, 7455, 8660, 9093, 9940, 10437, 12124, 12990, 13916, 14910, 15155, 17395, 18186, 20874, 21217, 25980, 29820, 30310, 30743, 34790, 36372, 41748, 42434, 45465, 52185, 60620, 61486, 63651, 69580, 84868, 90930, 92229, 104370, 106085, 122972, 127302, 153715, 181860, 184458, 208740, 212170, 215201, 254604, 307430, 318255, 368916, 424340, 430402, 461145, 614860, 636510, 645603, 860804, 922290, 1076005, 1273020, 1291206, 1506407, 1844580, 2152010, 2582412, 3012814, 3228015, 4304020, 4519221, 6025628, 6456030, 7532035, 9038442, 12912060, 15064070, 18076884, 22596105, 30128140, 45192210, 90384420]

約数ペア:

[(1, 90384420), (2, 45192210), (3, 30128140), (4, 22596105), (5, 18076884), (6, 15064070), (7, 12912060), (10, 9038442), (12, 7532035), (14, 6456030), (15, 6025628), (20, 4519221), (21, 4304020), (28, 3228015), (30, 3012814), (35, 2582412), (42, 2152010), (49, 1844580), (60, 1506407), (70, 1291206), (71, 1273020), (84, 1076005), (98, 922290), (105, 860804), (140, 645603), (142, 636510), (147, 614860), (196, 461145), (210, 430402), (213, 424340), (245, 368916), (284, 318255), (294, 307430), (355, 254604), (420, 215201), (426, 212170), (433, 208740), (490, 184458), (497, 181860), (588, 153715), (710, 127302), (735, 122972), (852, 106085), (866, 104370), (980, 92229), (994, 90930), (1065, 84868), (1299, 69580), (1420, 63651), (1470, 61486), (1491, 60620), (1732, 52185), (1988, 45465), (2130, 42434), (2165, 41748), (2485, 36372), (2598, 34790), (2940, 30743), (2982, 30310), (3031, 29820), (3479, 25980), (4260, 21217), (4330, 20874), (4970, 18186), (5196, 17395), (5964, 15155), (6062, 14910), (6495, 13916), (6958, 12990), (7455, 12124), (8660, 10437), (9093, 9940)]