139788540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2887}}^1$

素因数の和:3171

約数の個数: 72

約数和(自身を含む): 425748960

約数和(自身を除く): 285960420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1614, 2421, 2690, 2887, 3228, 4035, 4842, 5380, 5774, 8070, 8661, 9684, 11548, 12105, 14435, 16140, 17322, 24210, 25983, 28870, 34644, 43305, 48420, 51966, 57740, 86610, 103932, 129915, 173220, 259830, 519660, 776603, 1553206, 2329809, 3106412, 3883015, 4659618, 6989427, 7766030, 9319236, 11649045, 13978854, 15532060, 23298090, 27957708, 34947135, 46596180, 69894270, 139788540]

約数ペア:

[(1, 139788540), (2, 69894270), (3, 46596180), (4, 34947135), (5, 27957708), (6, 23298090), (9, 15532060), (10, 13978854), (12, 11649045), (15, 9319236), (18, 7766030), (20, 6989427), (30, 4659618), (36, 3883015), (45, 3106412), (60, 2329809), (90, 1553206), (180, 776603), (269, 519660), (538, 259830), (807, 173220), (1076, 129915), (1345, 103932), (1614, 86610), (2421, 57740), (2690, 51966), (2887, 48420), (3228, 43305), (4035, 34644), (4842, 28870), (5380, 25983), (5774, 24210), (8070, 17322), (8661, 16140), (9684, 14435), (11548, 12105)]