18344560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:626

約数の個数: 80

約数和(自身を含む): 47496960

約数和(自身を除く): 29152400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 569, 620, 806, 1040, 1138, 1240, 1612, 2015, 2276, 2480, 2845, 3224, 4030, 4552, 5690, 6448, 7397, 8060, 9104, 11380, 14794, 16120, 17639, 22760, 29588, 32240, 35278, 36985, 45520, 59176, 70556, 73970, 88195, 118352, 141112, 147940, 176390, 229307, 282224, 295880, 352780, 458614, 591760, 705560, 917228, 1146535, 1411120, 1834456, 2293070, 3668912, 4586140, 9172280, 18344560]

約数ペア:

[(1, 18344560), (2, 9172280), (4, 4586140), (5, 3668912), (8, 2293070), (10, 1834456), (13, 1411120), (16, 1146535), (20, 917228), (26, 705560), (31, 591760), (40, 458614), (52, 352780), (62, 295880), (65, 282224), (80, 229307), (104, 176390), (124, 147940), (130, 141112), (155, 118352), (208, 88195), (248, 73970), (260, 70556), (310, 59176), (403, 45520), (496, 36985), (520, 35278), (569, 32240), (620, 29588), (806, 22760), (1040, 17639), (1138, 16120), (1240, 14794), (1612, 11380), (2015, 9104), (2276, 8060), (2480, 7397), (2845, 6448), (3224, 5690), (4030, 4552)]