15705020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 35686560

約数和(自身を除く): 19981540

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1117, 1406, 2234, 2812, 3515, 4468, 5585, 7030, 11170, 14060, 21223, 22340, 41329, 42446, 82658, 84892, 106115, 165316, 206645, 212230, 413290, 424460, 785251, 826580, 1570502, 3141004, 3926255, 7852510, 15705020]

約数ペア:

[(1, 15705020), (2, 7852510), (4, 3926255), (5, 3141004), (10, 1570502), (19, 826580), (20, 785251), (37, 424460), (38, 413290), (74, 212230), (76, 206645), (95, 165316), (148, 106115), (185, 84892), (190, 82658), (370, 42446), (380, 41329), (703, 22340), (740, 21223), (1117, 14060), (1406, 11170), (2234, 7030), (2812, 5585), (3515, 4468)]