90212220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71597}}^1$

素因数の和:71619

約数の個数: 72

約数和(自身を含む): 312740064

約数和(自身を除く): 222527844

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, 71597, 143194, 214791, 286388, 357985, 429582, 501179, 644373, 715970, 859164, 1002358, 1073955, 1288746, 1431940, 1503537, 2004716, 2147910, 2505895, 2577492, 3007074, 3221865, 4295820, 4510611, 5011790, 6014148, 6443730, 7517685, 9021222, 10023580, 12887460, 15035370, 18042444, 22553055, 30070740, 45106110, 90212220]

約数ペア:

[(1, 90212220), (2, 45106110), (3, 30070740), (4, 22553055), (5, 18042444), (6, 15035370), (7, 12887460), (9, 10023580), (10, 9021222), (12, 7517685), (14, 6443730), (15, 6014148), (18, 5011790), (20, 4510611), (21, 4295820), (28, 3221865), (30, 3007074), (35, 2577492), (36, 2505895), (42, 2147910), (45, 2004716), (60, 1503537), (63, 1431940), (70, 1288746), (84, 1073955), (90, 1002358), (105, 859164), (126, 715970), (140, 644373), (180, 501179), (210, 429582), (252, 357985), (315, 286388), (420, 214791), (630, 143194), (1260, 71597)]