71213240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{607}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 183859200

約数和(自身を除く): 112645960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 419, 607, 838, 1214, 1676, 2095, 2428, 2933, 3035, 3352, 4190, 4249, 4856, 5866, 6070, 8380, 8498, 11732, 12140, 14665, 16760, 16996, 21245, 23464, 24280, 29330, 33992, 42490, 58660, 84980, 117320, 169960, 254333, 508666, 1017332, 1271665, 1780331, 2034664, 2543330, 3560662, 5086660, 7121324, 8901655, 10173320, 14242648, 17803310, 35606620, 71213240]

約数ペア:

[(1, 71213240), (2, 35606620), (4, 17803310), (5, 14242648), (7, 10173320), (8, 8901655), (10, 7121324), (14, 5086660), (20, 3560662), (28, 2543330), (35, 2034664), (40, 1780331), (56, 1271665), (70, 1017332), (140, 508666), (280, 254333), (419, 169960), (607, 117320), (838, 84980), (1214, 58660), (1676, 42490), (2095, 33992), (2428, 29330), (2933, 24280), (3035, 23464), (3352, 21245), (4190, 16996), (4249, 16760), (4856, 14665), (5866, 12140), (6070, 11732), (8380, 8498)]