80911380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2851}}^1$

素因数の和:2917

約数の個数: 96

約数和(自身を含む): 252983808

約数和(自身を除く): 172072428

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 129, 132, 165, 172, 215, 220, 258, 330, 430, 473, 516, 645, 660, 860, 946, 1290, 1419, 1892, 2365, 2580, 2838, 2851, 4730, 5676, 5702, 7095, 8553, 9460, 11404, 14190, 14255, 17106, 28380, 28510, 31361, 34212, 42765, 57020, 62722, 85530, 94083, 122593, 125444, 156805, 171060, 188166, 245186, 313610, 367779, 376332, 470415, 490372, 612965, 627220, 735558, 940830, 1225930, 1348523, 1471116, 1838895, 1881660, 2451860, 2697046, 3677790, 4045569, 5394092, 6742615, 7355580, 8091138, 13485230, 16182276, 20227845, 26970460, 40455690, 80911380]

約数ペア:

[(1, 80911380), (2, 40455690), (3, 26970460), (4, 20227845), (5, 16182276), (6, 13485230), (10, 8091138), (11, 7355580), (12, 6742615), (15, 5394092), (20, 4045569), (22, 3677790), (30, 2697046), (33, 2451860), (43, 1881660), (44, 1838895), (55, 1471116), (60, 1348523), (66, 1225930), (86, 940830), (110, 735558), (129, 627220), (132, 612965), (165, 490372), (172, 470415), (215, 376332), (220, 367779), (258, 313610), (330, 245186), (430, 188166), (473, 171060), (516, 156805), (645, 125444), (660, 122593), (860, 94083), (946, 85530), (1290, 62722), (1419, 57020), (1892, 42765), (2365, 34212), (2580, 31361), (2838, 28510), (2851, 28380), (4730, 17106), (5676, 14255), (5702, 14190), (7095, 11404), (8553, 9460)]