80761980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2203}}^1$

素因数の和:2275

約数の個数: 96

約数和(自身を含む): 248822784

約数和(自身を除く): 168060804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 78, 94, 130, 141, 156, 188, 195, 235, 260, 282, 390, 470, 564, 611, 705, 780, 940, 1222, 1410, 1833, 2203, 2444, 2820, 3055, 3666, 4406, 6110, 6609, 7332, 8812, 9165, 11015, 12220, 13218, 18330, 22030, 26436, 28639, 33045, 36660, 44060, 57278, 66090, 85917, 103541, 114556, 132180, 143195, 171834, 207082, 286390, 310623, 343668, 414164, 429585, 517705, 572780, 621246, 859170, 1035410, 1242492, 1346033, 1553115, 1718340, 2070820, 2692066, 3106230, 4038099, 5384132, 6212460, 6730165, 8076198, 13460330, 16152396, 20190495, 26920660, 40380990, 80761980]

約数ペア:

[(1, 80761980), (2, 40380990), (3, 26920660), (4, 20190495), (5, 16152396), (6, 13460330), (10, 8076198), (12, 6730165), (13, 6212460), (15, 5384132), (20, 4038099), (26, 3106230), (30, 2692066), (39, 2070820), (47, 1718340), (52, 1553115), (60, 1346033), (65, 1242492), (78, 1035410), (94, 859170), (130, 621246), (141, 572780), (156, 517705), (188, 429585), (195, 414164), (235, 343668), (260, 310623), (282, 286390), (390, 207082), (470, 171834), (564, 143195), (611, 132180), (705, 114556), (780, 103541), (940, 85917), (1222, 66090), (1410, 57278), (1833, 44060), (2203, 36660), (2444, 33045), (2820, 28639), (3055, 26436), (3666, 22030), (4406, 18330), (6110, 13218), (6609, 12220), (7332, 11015), (8812, 9165)]