86857740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 281080800

約数和(自身を除く): 194223060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 109, 114, 171, 180, 190, 218, 228, 233, 285, 327, 342, 380, 436, 466, 545, 570, 654, 684, 699, 855, 932, 981, 1090, 1140, 1165, 1308, 1398, 1635, 1710, 1962, 2071, 2097, 2180, 2330, 2796, 3270, 3420, 3495, 3924, 4142, 4194, 4427, 4660, 4905, 6213, 6540, 6990, 8284, 8388, 8854, 9810, 10355, 10485, 12426, 13281, 13980, 17708, 18639, 19620, 20710, 20970, 22135, 24852, 25397, 26562, 31065, 37278, 39843, 41420, 41940, 44270, 50794, 53124, 62130, 66405, 74556, 76191, 79686, 88540, 93195, 101588, 124260, 126985, 132810, 152382, 159372, 186390, 199215, 228573, 253970, 265620, 304764, 372780, 380955, 398430, 457146, 482543, 507940, 761910, 796860, 914292, 965086, 1142865, 1447629, 1523820, 1930172, 2285730, 2412715, 2895258, 4342887, 4571460, 4825430, 5790516, 7238145, 8685774, 9650860, 14476290, 17371548, 21714435, 28952580, 43428870, 86857740]

約数ペア:

[(1, 86857740), (2, 43428870), (3, 28952580), (4, 21714435), (5, 17371548), (6, 14476290), (9, 9650860), (10, 8685774), (12, 7238145), (15, 5790516), (18, 4825430), (19, 4571460), (20, 4342887), (30, 2895258), (36, 2412715), (38, 2285730), (45, 1930172), (57, 1523820), (60, 1447629), (76, 1142865), (90, 965086), (95, 914292), (109, 796860), (114, 761910), (171, 507940), (180, 482543), (190, 457146), (218, 398430), (228, 380955), (233, 372780), (285, 304764), (327, 265620), (342, 253970), (380, 228573), (436, 199215), (466, 186390), (545, 159372), (570, 152382), (654, 132810), (684, 126985), (699, 124260), (855, 101588), (932, 93195), (981, 88540), (1090, 79686), (1140, 76191), (1165, 74556), (1308, 66405), (1398, 62130), (1635, 53124), (1710, 50794), (1962, 44270), (2071, 41940), (2097, 41420), (2180, 39843), (2330, 37278), (2796, 31065), (3270, 26562), (3420, 25397), (3495, 24852), (3924, 22135), (4142, 20970), (4194, 20710), (4427, 19620), (4660, 18639), (4905, 17708), (6213, 13980), (6540, 13281), (6990, 12426), (8284, 10485), (8388, 10355), (8854, 9810)]