80734788

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{991}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 213764096

約数和(自身を除く): 133029308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 73, 93, 124, 146, 186, 219, 279, 292, 372, 438, 558, 657, 876, 991, 1116, 1314, 1982, 2263, 2628, 2973, 3964, 4526, 5946, 6789, 8919, 9052, 11892, 13578, 17838, 20367, 27156, 30721, 35676, 40734, 61442, 72343, 81468, 92163, 122884, 144686, 184326, 217029, 276489, 289372, 368652, 434058, 552978, 651087, 868116, 1105956, 1302174, 2242633, 2604348, 4485266, 6727899, 8970532, 13455798, 20183697, 26911596, 40367394, 80734788]

約数ペア:

[(1, 80734788), (2, 40367394), (3, 26911596), (4, 20183697), (6, 13455798), (9, 8970532), (12, 6727899), (18, 4485266), (31, 2604348), (36, 2242633), (62, 1302174), (73, 1105956), (93, 868116), (124, 651087), (146, 552978), (186, 434058), (219, 368652), (279, 289372), (292, 276489), (372, 217029), (438, 184326), (558, 144686), (657, 122884), (876, 92163), (991, 81468), (1116, 72343), (1314, 61442), (1982, 40734), (2263, 35676), (2628, 30721), (2973, 27156), (3964, 20367), (4526, 17838), (5946, 13578), (6789, 11892), (8919, 9052)]