28584780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68059}}^1$

素因数の和:68078

約数の個数: 48

約数和(自身を含む): 91472640

約数和(自身を除く): 62887860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68059, 136118, 204177, 272236, 340295, 408354, 476413, 680590, 816708, 952826, 1020885, 1361180, 1429239, 1905652, 2041770, 2382065, 2858478, 4083540, 4764130, 5716956, 7146195, 9528260, 14292390, 28584780]

約数ペア:

[(1, 28584780), (2, 14292390), (3, 9528260), (4, 7146195), (5, 5716956), (6, 4764130), (7, 4083540), (10, 2858478), (12, 2382065), (14, 2041770), (15, 1905652), (20, 1429239), (21, 1361180), (28, 1020885), (30, 952826), (35, 816708), (42, 680590), (60, 476413), (70, 408354), (84, 340295), (105, 272236), (140, 204177), (210, 136118), (420, 68059)]