76721970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1549}}^1$

素因数の和:1699

約数の個数: 64

約数和(自身を含む): 199987200

約数和(自身を除く): 123265230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 127, 130, 195, 254, 381, 390, 635, 762, 1270, 1549, 1651, 1905, 3098, 3302, 3810, 4647, 4953, 7745, 8255, 9294, 9906, 15490, 16510, 20137, 23235, 24765, 40274, 46470, 49530, 60411, 100685, 120822, 196723, 201370, 302055, 393446, 590169, 604110, 983615, 1180338, 1967230, 2557399, 2950845, 5114798, 5901690, 7672197, 12786995, 15344394, 25573990, 38360985, 76721970]

約数ペア:

[(1, 76721970), (2, 38360985), (3, 25573990), (5, 15344394), (6, 12786995), (10, 7672197), (13, 5901690), (15, 5114798), (26, 2950845), (30, 2557399), (39, 1967230), (65, 1180338), (78, 983615), (127, 604110), (130, 590169), (195, 393446), (254, 302055), (381, 201370), (390, 196723), (635, 120822), (762, 100685), (1270, 60411), (1549, 49530), (1651, 46470), (1905, 40274), (3098, 24765), (3302, 23235), (3810, 20137), (4647, 16510), (4953, 15490), (7745, 9906), (8255, 9294)]