215517420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4451}}^1$

素因数の和:4735

約数の個数: 72

約数和(自身を含む): 656313840

約数和(自身を除く): 440796420

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, 3228, 4035, 4451, 4842, 5380, 8070, 8902, 9684, 12105, 13353, 16140, 17804, 22255, 24210, 26706, 40059, 44510, 48420, 53412, 66765, 80118, 89020, 133530, 160236, 200295, 267060, 400590, 801180, 1197319, 2394638, 3591957, 4789276, 5986595, 7183914, 10775871, 11973190, 14367828, 17959785, 21551742, 23946380, 35919570, 43103484, 53879355, 71839140, 107758710, 215517420]

約数ペア:

[(1, 215517420), (2, 107758710), (3, 71839140), (4, 53879355), (5, 43103484), (6, 35919570), (9, 23946380), (10, 21551742), (12, 17959785), (15, 14367828), (18, 11973190), (20, 10775871), (30, 7183914), (36, 5986595), (45, 4789276), (60, 3591957), (90, 2394638), (180, 1197319), (269, 801180), (538, 400590), (807, 267060), (1076, 200295), (1345, 160236), (1614, 133530), (2421, 89020), (2690, 80118), (3228, 66765), (4035, 53412), (4451, 48420), (4842, 44510), (5380, 40059), (8070, 26706), (8902, 24210), (9684, 22255), (12105, 17804), (13353, 16140)]