68328920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1871}}^1$

素因数の和:1976

約数の個数: 64

約数和(自身を含む): 169827840

約数和(自身を除く): 101498920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 166, 220, 332, 415, 440, 664, 830, 913, 1660, 1826, 1871, 3320, 3652, 3742, 4565, 7304, 7484, 9130, 9355, 14968, 18260, 18710, 20581, 36520, 37420, 41162, 74840, 82324, 102905, 155293, 164648, 205810, 310586, 411620, 621172, 776465, 823240, 1242344, 1552930, 1708223, 3105860, 3416446, 6211720, 6832892, 8541115, 13665784, 17082230, 34164460, 68328920]

約数ペア:

[(1, 68328920), (2, 34164460), (4, 17082230), (5, 13665784), (8, 8541115), (10, 6832892), (11, 6211720), (20, 3416446), (22, 3105860), (40, 1708223), (44, 1552930), (55, 1242344), (83, 823240), (88, 776465), (110, 621172), (166, 411620), (220, 310586), (332, 205810), (415, 164648), (440, 155293), (664, 102905), (830, 82324), (913, 74840), (1660, 41162), (1826, 37420), (1871, 36520), (3320, 20581), (3652, 18710), (3742, 18260), (4565, 14968), (7304, 9355), (7484, 9130)]