280801332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{5281}}^1$

素因数の和:5509

約数の個数: 72

約数和(自身を含む): 815202752

約数和(自身を除く): 534401420

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 211, 252, 422, 633, 844, 1266, 1477, 1899, 2532, 2954, 3798, 4431, 5281, 5908, 7596, 8862, 10562, 13293, 15843, 17724, 21124, 26586, 31686, 36967, 47529, 53172, 63372, 73934, 95058, 110901, 147868, 190116, 221802, 332703, 443604, 665406, 1114291, 1330812, 2228582, 3342873, 4457164, 6685746, 7800037, 10028619, 13371492, 15600074, 20057238, 23400111, 31200148, 40114476, 46800222, 70200333, 93600444, 140400666, 280801332]

約数ペア:

[(1, 280801332), (2, 140400666), (3, 93600444), (4, 70200333), (6, 46800222), (7, 40114476), (9, 31200148), (12, 23400111), (14, 20057238), (18, 15600074), (21, 13371492), (28, 10028619), (36, 7800037), (42, 6685746), (63, 4457164), (84, 3342873), (126, 2228582), (211, 1330812), (252, 1114291), (422, 665406), (633, 443604), (844, 332703), (1266, 221802), (1477, 190116), (1899, 147868), (2532, 110901), (2954, 95058), (3798, 73934), (4431, 63372), (5281, 53172), (5908, 47529), (7596, 36967), (8862, 31686), (10562, 26586), (13293, 21124), (15843, 17724)]