12928440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{15391}}^1$

素因数の和:15412

約数の個数: 64

約数和(自身を含む): 44328960

約数和(自身を除く): 31400520

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, 15391, 30782, 46173, 61564, 76955, 92346, 107737, 123128, 153910, 184692, 215474, 230865, 307820, 323211, 369384, 430948, 461730, 538685, 615640, 646422, 861896, 923460, 1077370, 1292844, 1616055, 1846920, 2154740, 2585688, 3232110, 4309480, 6464220, 12928440]

約数ペア:

[(1, 12928440), (2, 6464220), (3, 4309480), (4, 3232110), (5, 2585688), (6, 2154740), (7, 1846920), (8, 1616055), (10, 1292844), (12, 1077370), (14, 923460), (15, 861896), (20, 646422), (21, 615640), (24, 538685), (28, 461730), (30, 430948), (35, 369384), (40, 323211), (42, 307820), (56, 230865), (60, 215474), (70, 184692), (84, 153910), (105, 123128), (120, 107737), (140, 92346), (168, 76955), (210, 61564), (280, 46173), (420, 30782), (840, 15391)]