9142520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 21738240

約数和(自身を除く): 12595720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 101, 124, 146, 155, 202, 248, 292, 310, 365, 404, 505, 584, 620, 730, 808, 1010, 1240, 1460, 2020, 2263, 2920, 3131, 4040, 4526, 6262, 7373, 9052, 11315, 12524, 14746, 15655, 18104, 22630, 25048, 29492, 31310, 36865, 45260, 58984, 62620, 73730, 90520, 125240, 147460, 228563, 294920, 457126, 914252, 1142815, 1828504, 2285630, 4571260, 9142520]

約数ペア:

[(1, 9142520), (2, 4571260), (4, 2285630), (5, 1828504), (8, 1142815), (10, 914252), (20, 457126), (31, 294920), (40, 228563), (62, 147460), (73, 125240), (101, 90520), (124, 73730), (146, 62620), (155, 58984), (202, 45260), (248, 36865), (292, 31310), (310, 29492), (365, 25048), (404, 22630), (505, 18104), (584, 15655), (620, 14746), (730, 12524), (808, 11315), (1010, 9052), (1240, 7373), (1460, 6262), (2020, 4526), (2263, 4040), (2920, 3131)]