28562940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22669}}^1$

素因数の和:22691

約数の個数: 72

約数和(自身を含む): 99022560

約数和(自身を除く): 70459620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22669, 45338, 68007, 90676, 113345, 136014, 158683, 204021, 226690, 272028, 317366, 340035, 408042, 453380, 476049, 634732, 680070, 793415, 816084, 952098, 1020105, 1360140, 1428147, 1586830, 1904196, 2040210, 2380245, 2856294, 3173660, 4080420, 4760490, 5712588, 7140735, 9520980, 14281470, 28562940]

約数ペア:

[(1, 28562940), (2, 14281470), (3, 9520980), (4, 7140735), (5, 5712588), (6, 4760490), (7, 4080420), (9, 3173660), (10, 2856294), (12, 2380245), (14, 2040210), (15, 1904196), (18, 1586830), (20, 1428147), (21, 1360140), (28, 1020105), (30, 952098), (35, 816084), (36, 793415), (42, 680070), (45, 634732), (60, 476049), (63, 453380), (70, 408042), (84, 340035), (90, 317366), (105, 272028), (126, 226690), (140, 204021), (180, 158683), (210, 136014), (252, 113345), (315, 90676), (420, 68007), (630, 45338), (1260, 22669)]