128666120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9433}}^1$

素因数の和:9486

約数の個数: 64

約数和(自身を含む): 326039040

約数和(自身を除く): 197372920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 9433, 13640, 18866, 37732, 47165, 75464, 94330, 103763, 188660, 207526, 292423, 377320, 415052, 518815, 584846, 830104, 1037630, 1169692, 1462115, 2075260, 2339384, 2924230, 3216653, 4150520, 5848460, 6433306, 11696920, 12866612, 16083265, 25733224, 32166530, 64333060, 128666120]

約数ペア:

[(1, 128666120), (2, 64333060), (4, 32166530), (5, 25733224), (8, 16083265), (10, 12866612), (11, 11696920), (20, 6433306), (22, 5848460), (31, 4150520), (40, 3216653), (44, 2924230), (55, 2339384), (62, 2075260), (88, 1462115), (110, 1169692), (124, 1037630), (155, 830104), (220, 584846), (248, 518815), (310, 415052), (341, 377320), (440, 292423), (620, 207526), (682, 188660), (1240, 103763), (1364, 94330), (1705, 75464), (2728, 47165), (3410, 37732), (6820, 18866), (9433, 13640)]