66881640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79621}}^1$

素因数の和:79642

約数の個数: 64

約数和(自身を含む): 229311360

約数和(自身を除く): 162429720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 79621, 159242, 238863, 318484, 398105, 477726, 557347, 636968, 796210, 955452, 1114694, 1194315, 1592420, 1672041, 1910904, 2229388, 2388630, 2786735, 3184840, 3344082, 4458776, 4777260, 5573470, 6688164, 8360205, 9554520, 11146940, 13376328, 16720410, 22293880, 33440820, 66881640]

約数ペア:

[(1, 66881640), (2, 33440820), (3, 22293880), (4, 16720410), (5, 13376328), (6, 11146940), (7, 9554520), (8, 8360205), (10, 6688164), (12, 5573470), (14, 4777260), (15, 4458776), (20, 3344082), (21, 3184840), (24, 2786735), (28, 2388630), (30, 2229388), (35, 1910904), (40, 1672041), (42, 1592420), (56, 1194315), (60, 1114694), (70, 955452), (84, 796210), (105, 636968), (120, 557347), (140, 477726), (168, 398105), (210, 318484), (280, 238863), (420, 159242), (840, 79621)]