83903940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2969}}^1$

素因数の和:3141

約数の個数: 72

約数和(自身を含む): 256215960

約数和(自身を除く): 172312020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 2969, 3140, 4710, 5652, 5938, 7065, 8907, 9420, 11876, 14130, 14845, 17814, 26721, 28260, 29690, 35628, 44535, 53442, 59380, 89070, 106884, 133605, 178140, 267210, 466133, 534420, 932266, 1398399, 1864532, 2330665, 2796798, 4195197, 4661330, 5593596, 6991995, 8390394, 9322660, 13983990, 16780788, 20975985, 27967980, 41951970, 83903940]

約数ペア:

[(1, 83903940), (2, 41951970), (3, 27967980), (4, 20975985), (5, 16780788), (6, 13983990), (9, 9322660), (10, 8390394), (12, 6991995), (15, 5593596), (18, 4661330), (20, 4195197), (30, 2796798), (36, 2330665), (45, 1864532), (60, 1398399), (90, 932266), (157, 534420), (180, 466133), (314, 267210), (471, 178140), (628, 133605), (785, 106884), (942, 89070), (1413, 59380), (1570, 53442), (1884, 44535), (2355, 35628), (2826, 29690), (2969, 28260), (3140, 26721), (4710, 17814), (5652, 14845), (5938, 14130), (7065, 11876), (8907, 9420)]