69480920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 162950400

約数和(自身を除く): 93469480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 155, 248, 274, 310, 409, 548, 620, 685, 818, 1096, 1240, 1370, 1636, 2045, 2740, 3272, 4090, 4247, 5480, 8180, 8494, 12679, 16360, 16988, 21235, 25358, 33976, 42470, 50716, 56033, 63395, 84940, 101432, 112066, 126790, 169880, 224132, 253580, 280165, 448264, 507160, 560330, 1120660, 1737023, 2241320, 3474046, 6948092, 8685115, 13896184, 17370230, 34740460, 69480920]

約数ペア:

[(1, 69480920), (2, 34740460), (4, 17370230), (5, 13896184), (8, 8685115), (10, 6948092), (20, 3474046), (31, 2241320), (40, 1737023), (62, 1120660), (124, 560330), (137, 507160), (155, 448264), (248, 280165), (274, 253580), (310, 224132), (409, 169880), (548, 126790), (620, 112066), (685, 101432), (818, 84940), (1096, 63395), (1240, 56033), (1370, 50716), (1636, 42470), (2045, 33976), (2740, 25358), (3272, 21235), (4090, 16988), (4247, 16360), (5480, 12679), (8180, 8494)]