204420960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{141959}}^1$

素因数の和:141980

約数の個数: 72

約数和(自身を含む): 697591440

約数和(自身を除く): 493170480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 141959, 283918, 425877, 567836, 709795, 851754, 1135672, 1277631, 1419590, 1703508, 2129385, 2271344, 2555262, 2839180, 3407016, 4258770, 4542688, 5110524, 5678360, 6388155, 6814032, 8517540, 10221048, 11356720, 12776310, 13628064, 17035080, 20442096, 22713440, 25552620, 34070160, 40884192, 51105240, 68140320, 102210480, 204420960]

約数ペア:

[(1, 204420960), (2, 102210480), (3, 68140320), (4, 51105240), (5, 40884192), (6, 34070160), (8, 25552620), (9, 22713440), (10, 20442096), (12, 17035080), (15, 13628064), (16, 12776310), (18, 11356720), (20, 10221048), (24, 8517540), (30, 6814032), (32, 6388155), (36, 5678360), (40, 5110524), (45, 4542688), (48, 4258770), (60, 3407016), (72, 2839180), (80, 2555262), (90, 2271344), (96, 2129385), (120, 1703508), (144, 1419590), (160, 1277631), (180, 1135672), (240, 851754), (288, 709795), (360, 567836), (480, 425877), (720, 283918), (1440, 141959)]