2018348720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{3467}}^1$

素因数の和:3882

約数の個数: 80

約数和(自身を含む): 4953968640

約数和(自身を除く): 2935619920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 383, 760, 766, 1520, 1532, 1915, 3064, 3467, 3830, 6128, 6934, 7277, 7660, 13868, 14554, 15320, 17335, 27736, 29108, 30640, 34670, 36385, 55472, 58216, 65873, 69340, 72770, 116432, 131746, 138680, 145540, 263492, 277360, 291080, 329365, 526984, 582160, 658730, 1053968, 1317460, 1327861, 2634920, 2655722, 5269840, 5311444, 6639305, 10622888, 13278610, 21245776, 25229359, 26557220, 50458718, 53114440, 100917436, 106228880, 126146795, 201834872, 252293590, 403669744, 504587180, 1009174360, 2018348720]

約数ペア:

[(1, 2018348720), (2, 1009174360), (4, 504587180), (5, 403669744), (8, 252293590), (10, 201834872), (16, 126146795), (19, 106228880), (20, 100917436), (38, 53114440), (40, 50458718), (76, 26557220), (80, 25229359), (95, 21245776), (152, 13278610), (190, 10622888), (304, 6639305), (380, 5311444), (383, 5269840), (760, 2655722), (766, 2634920), (1520, 1327861), (1532, 1317460), (1915, 1053968), (3064, 658730), (3467, 582160), (3830, 526984), (6128, 329365), (6934, 291080), (7277, 277360), (7660, 263492), (13868, 145540), (14554, 138680), (15320, 131746), (17335, 116432), (27736, 72770), (29108, 69340), (30640, 65873), (34670, 58216), (36385, 55472)]