316330820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3019}}^1$

素因数の和:3085

約数の個数: 72

約数和(自身を含む): 742775040

約数和(自身を除く): 426444220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 1612, 1690, 2015, 3019, 3380, 4030, 5239, 6038, 8060, 10478, 12076, 15095, 20956, 26195, 30190, 39247, 52390, 60380, 78494, 93589, 104780, 156988, 187178, 196235, 374356, 392470, 467945, 510211, 784940, 935890, 1020422, 1216657, 1871780, 2040844, 2433314, 2551055, 4866628, 5102110, 6083285, 10204220, 12166570, 15816541, 24333140, 31633082, 63266164, 79082705, 158165410, 316330820]

約数ペア:

[(1, 316330820), (2, 158165410), (4, 79082705), (5, 63266164), (10, 31633082), (13, 24333140), (20, 15816541), (26, 12166570), (31, 10204220), (52, 6083285), (62, 5102110), (65, 4866628), (124, 2551055), (130, 2433314), (155, 2040844), (169, 1871780), (260, 1216657), (310, 1020422), (338, 935890), (403, 784940), (620, 510211), (676, 467945), (806, 392470), (845, 374356), (1612, 196235), (1690, 187178), (2015, 156988), (3019, 104780), (3380, 93589), (4030, 78494), (5239, 60380), (6038, 52390), (8060, 39247), (10478, 30190), (12076, 26195), (15095, 20956)]