221478480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{307609}}^1$

素因数の和:307628

約数の個数: 60

約数和(自身を含む): 743800980

約数和(自身を除く): 522322500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 307609, 615218, 922827, 1230436, 1538045, 1845654, 2460872, 2768481, 3076090, 3691308, 4614135, 4921744, 5536962, 6152180, 7382616, 9228270, 11073924, 12304360, 13842405, 14765232, 18456540, 22147848, 24608720, 27684810, 36913080, 44295696, 55369620, 73826160, 110739240, 221478480]

約数ペア:

[(1, 221478480), (2, 110739240), (3, 73826160), (4, 55369620), (5, 44295696), (6, 36913080), (8, 27684810), (9, 24608720), (10, 22147848), (12, 18456540), (15, 14765232), (16, 13842405), (18, 12304360), (20, 11073924), (24, 9228270), (30, 7382616), (36, 6152180), (40, 5536962), (45, 4921744), (48, 4614135), (60, 3691308), (72, 3076090), (80, 2768481), (90, 2460872), (120, 1845654), (144, 1538045), (180, 1230436), (240, 922827), (360, 615218), (720, 307609)]