42421720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1439}}^1$

素因数の和:1528

約数の個数: 64

約数和(自身を含む): 105753600

約数和(自身を除く): 63331880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1439, 1474, 2680, 2878, 2948, 3685, 5756, 5896, 7195, 7370, 11512, 14390, 14740, 15829, 28780, 29480, 31658, 57560, 63316, 79145, 96413, 126632, 158290, 192826, 316580, 385652, 482065, 633160, 771304, 964130, 1060543, 1928260, 2121086, 3856520, 4242172, 5302715, 8484344, 10605430, 21210860, 42421720]

約数ペア:

[(1, 42421720), (2, 21210860), (4, 10605430), (5, 8484344), (8, 5302715), (10, 4242172), (11, 3856520), (20, 2121086), (22, 1928260), (40, 1060543), (44, 964130), (55, 771304), (67, 633160), (88, 482065), (110, 385652), (134, 316580), (220, 192826), (268, 158290), (335, 126632), (440, 96413), (536, 79145), (670, 63316), (737, 57560), (1340, 31658), (1439, 29480), (1474, 28780), (2680, 15829), (2878, 14740), (2948, 14390), (3685, 11512), (5756, 7370), (5896, 7195)]