61492840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 144529920

約数和(自身を除く): 83037080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 404, 491, 505, 620, 808, 982, 1010, 1240, 1964, 2020, 2455, 3131, 3928, 4040, 4910, 6262, 9820, 12524, 15221, 15655, 19640, 25048, 30442, 31310, 49591, 60884, 62620, 76105, 99182, 121768, 125240, 152210, 198364, 247955, 304420, 396728, 495910, 608840, 991820, 1537321, 1983640, 3074642, 6149284, 7686605, 12298568, 15373210, 30746420, 61492840]

約数ペア:

[(1, 61492840), (2, 30746420), (4, 15373210), (5, 12298568), (8, 7686605), (10, 6149284), (20, 3074642), (31, 1983640), (40, 1537321), (62, 991820), (101, 608840), (124, 495910), (155, 396728), (202, 304420), (248, 247955), (310, 198364), (404, 152210), (491, 125240), (505, 121768), (620, 99182), (808, 76105), (982, 62620), (1010, 60884), (1240, 49591), (1964, 31310), (2020, 30442), (2455, 25048), (3131, 19640), (3928, 15655), (4040, 15221), (4910, 12524), (6262, 9820)]