289160560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8969}}^1$

素因数の和:9026

約数の個数: 80

約数和(自身を含む): 747452160

約数和(自身を除く): 458291600

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, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 8969, 16120, 17938, 32240, 35876, 44845, 71752, 89690, 116597, 143504, 179380, 233194, 278039, 358760, 466388, 556078, 582985, 717520, 932776, 1112156, 1165970, 1390195, 1865552, 2224312, 2331940, 2780390, 3614507, 4448624, 4663880, 5560780, 7229014, 9327760, 11121560, 14458028, 18072535, 22243120, 28916056, 36145070, 57832112, 72290140, 144580280, 289160560]

約数ペア:

[(1, 289160560), (2, 144580280), (4, 72290140), (5, 57832112), (8, 36145070), (10, 28916056), (13, 22243120), (16, 18072535), (20, 14458028), (26, 11121560), (31, 9327760), (40, 7229014), (52, 5560780), (62, 4663880), (65, 4448624), (80, 3614507), (104, 2780390), (124, 2331940), (130, 2224312), (155, 1865552), (208, 1390195), (248, 1165970), (260, 1112156), (310, 932776), (403, 717520), (496, 582985), (520, 556078), (620, 466388), (806, 358760), (1040, 278039), (1240, 233194), (1612, 179380), (2015, 143504), (2480, 116597), (3224, 89690), (4030, 71752), (6448, 44845), (8060, 35876), (8969, 32240), (16120, 17938)]