15207983990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1\times {\mathrm{2029}}^1$

素因数の和:2541

約数の個数: 64

約数和(自身を含む): 29185228800

約数和(自身を除く): 13977244810

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 383, 515, 766, 1030, 1915, 1957, 2029, 3830, 3914, 4058, 7277, 9785, 10145, 14554, 19570, 20290, 36385, 38551, 39449, 72770, 77102, 78898, 192755, 197245, 208987, 385510, 394490, 417974, 749531, 777107, 1044935, 1499062, 1554214, 2089870, 3747655, 3885535, 3970753, 7495310, 7771070, 7941506, 14765033, 19853765, 29530066, 39707530, 73825165, 80042021, 147650330, 160084042, 400210105, 800420210, 1520798399, 3041596798, 7603991995, 15207983990]

約数ペア:

[(1, 15207983990), (2, 7603991995), (5, 3041596798), (10, 1520798399), (19, 800420210), (38, 400210105), (95, 160084042), (103, 147650330), (190, 80042021), (206, 73825165), (383, 39707530), (515, 29530066), (766, 19853765), (1030, 14765033), (1915, 7941506), (1957, 7771070), (2029, 7495310), (3830, 3970753), (3914, 3885535), (4058, 3747655), (7277, 2089870), (9785, 1554214), (10145, 1499062), (14554, 1044935), (19570, 777107), (20290, 749531), (36385, 417974), (38551, 394490), (39449, 385510), (72770, 208987), (77102, 197245), (78898, 192755)]