28827240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1087}}^1$

素因数の和:1131

約数の個数: 128

約数和(自身を含む): 98703360

約数和(自身を除く): 69876120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 34, 39, 40, 51, 52, 60, 65, 68, 78, 85, 102, 104, 120, 130, 136, 156, 170, 195, 204, 221, 255, 260, 312, 340, 390, 408, 442, 510, 520, 663, 680, 780, 884, 1020, 1087, 1105, 1326, 1560, 1768, 2040, 2174, 2210, 2652, 3261, 3315, 4348, 4420, 5304, 5435, 6522, 6630, 8696, 8840, 10870, 13044, 13260, 14131, 16305, 18479, 21740, 26088, 26520, 28262, 32610, 36958, 42393, 43480, 55437, 56524, 65220, 70655, 73916, 84786, 92395, 110874, 113048, 130440, 141310, 147832, 169572, 184790, 211965, 221748, 240227, 277185, 282620, 339144, 369580, 423930, 443496, 480454, 554370, 565240, 720681, 739160, 847860, 960908, 1108740, 1201135, 1441362, 1695720, 1921816, 2217480, 2402270, 2882724, 3603405, 4804540, 5765448, 7206810, 9609080, 14413620, 28827240]

約数ペア:

[(1, 28827240), (2, 14413620), (3, 9609080), (4, 7206810), (5, 5765448), (6, 4804540), (8, 3603405), (10, 2882724), (12, 2402270), (13, 2217480), (15, 1921816), (17, 1695720), (20, 1441362), (24, 1201135), (26, 1108740), (30, 960908), (34, 847860), (39, 739160), (40, 720681), (51, 565240), (52, 554370), (60, 480454), (65, 443496), (68, 423930), (78, 369580), (85, 339144), (102, 282620), (104, 277185), (120, 240227), (130, 221748), (136, 211965), (156, 184790), (170, 169572), (195, 147832), (204, 141310), (221, 130440), (255, 113048), (260, 110874), (312, 92395), (340, 84786), (390, 73916), (408, 70655), (442, 65220), (510, 56524), (520, 55437), (663, 43480), (680, 42393), (780, 36958), (884, 32610), (1020, 28262), (1087, 26520), (1105, 26088), (1326, 21740), (1560, 18479), (1768, 16305), (2040, 14131), (2174, 13260), (2210, 13044), (2652, 10870), (3261, 8840), (3315, 8696), (4348, 6630), (4420, 6522), (5304, 5435)]