305085560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{45131}}^1$

素因数の和:45168

約数の個数: 48

約数和(自身を含む): 743324040

約数和(自身を除く): 438238480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 45131, 90262, 180524, 225655, 361048, 451310, 586703, 902620, 1173406, 1805240, 2346812, 2933515, 4693624, 5867030, 7627139, 11734060, 15254278, 23468120, 30508556, 38135695, 61017112, 76271390, 152542780, 305085560]

約数ペア:

[(1, 305085560), (2, 152542780), (4, 76271390), (5, 61017112), (8, 38135695), (10, 30508556), (13, 23468120), (20, 15254278), (26, 11734060), (40, 7627139), (52, 5867030), (65, 4693624), (104, 2933515), (130, 2346812), (169, 1805240), (260, 1173406), (338, 902620), (520, 586703), (676, 451310), (845, 361048), (1352, 225655), (1690, 180524), (3380, 90262), (6760, 45131)]