82666720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 209018880

約数和(自身を除く): 126352160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 71, 76, 80, 95, 142, 152, 160, 190, 284, 304, 355, 380, 383, 568, 608, 710, 760, 766, 1136, 1349, 1420, 1520, 1532, 1915, 2272, 2698, 2840, 3040, 3064, 3830, 5396, 5680, 6128, 6745, 7277, 7660, 10792, 11360, 12256, 13490, 14554, 15320, 21584, 26980, 27193, 29108, 30640, 36385, 43168, 53960, 54386, 58216, 61280, 72770, 107920, 108772, 116432, 135965, 145540, 215840, 217544, 232864, 271930, 291080, 435088, 516667, 543860, 582160, 870176, 1033334, 1087720, 1164320, 2066668, 2175440, 2583335, 4133336, 4350880, 5166670, 8266672, 10333340, 16533344, 20666680, 41333360, 82666720]

約数ペア:

[(1, 82666720), (2, 41333360), (4, 20666680), (5, 16533344), (8, 10333340), (10, 8266672), (16, 5166670), (19, 4350880), (20, 4133336), (32, 2583335), (38, 2175440), (40, 2066668), (71, 1164320), (76, 1087720), (80, 1033334), (95, 870176), (142, 582160), (152, 543860), (160, 516667), (190, 435088), (284, 291080), (304, 271930), (355, 232864), (380, 217544), (383, 215840), (568, 145540), (608, 135965), (710, 116432), (760, 108772), (766, 107920), (1136, 72770), (1349, 61280), (1420, 58216), (1520, 54386), (1532, 53960), (1915, 43168), (2272, 36385), (2698, 30640), (2840, 29108), (3040, 27193), (3064, 26980), (3830, 21584), (5396, 15320), (5680, 14554), (6128, 13490), (6745, 12256), (7277, 11360), (7660, 10792)]