87631380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 282731904

約数和(自身を除く): 195100524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 90, 92, 115, 122, 138, 180, 183, 207, 230, 244, 276, 305, 345, 347, 366, 414, 460, 549, 610, 690, 694, 732, 828, 915, 1035, 1041, 1098, 1220, 1380, 1388, 1403, 1735, 1830, 2070, 2082, 2196, 2745, 2806, 3123, 3470, 3660, 4140, 4164, 4209, 5205, 5490, 5612, 6246, 6940, 7015, 7981, 8418, 10410, 10980, 12492, 12627, 14030, 15615, 15962, 16836, 20820, 21045, 21167, 23943, 25254, 28060, 31230, 31924, 39905, 42090, 42334, 47886, 50508, 62460, 63135, 63501, 71829, 79810, 84180, 84668, 95772, 105835, 119715, 126270, 127002, 143658, 159620, 190503, 211670, 239430, 252540, 254004, 287316, 317505, 359145, 381006, 423340, 478860, 486841, 635010, 718290, 762012, 952515, 973682, 1270020, 1436580, 1460523, 1905030, 1947364, 2434205, 2921046, 3810060, 4381569, 4868410, 5842092, 7302615, 8763138, 9736820, 14605230, 17526276, 21907845, 29210460, 43815690, 87631380]

約数ペア:

[(1, 87631380), (2, 43815690), (3, 29210460), (4, 21907845), (5, 17526276), (6, 14605230), (9, 9736820), (10, 8763138), (12, 7302615), (15, 5842092), (18, 4868410), (20, 4381569), (23, 3810060), (30, 2921046), (36, 2434205), (45, 1947364), (46, 1905030), (60, 1460523), (61, 1436580), (69, 1270020), (90, 973682), (92, 952515), (115, 762012), (122, 718290), (138, 635010), (180, 486841), (183, 478860), (207, 423340), (230, 381006), (244, 359145), (276, 317505), (305, 287316), (345, 254004), (347, 252540), (366, 239430), (414, 211670), (460, 190503), (549, 159620), (610, 143658), (690, 127002), (694, 126270), (732, 119715), (828, 105835), (915, 95772), (1035, 84668), (1041, 84180), (1098, 79810), (1220, 71829), (1380, 63501), (1388, 63135), (1403, 62460), (1735, 50508), (1830, 47886), (2070, 42334), (2082, 42090), (2196, 39905), (2745, 31924), (2806, 31230), (3123, 28060), (3470, 25254), (3660, 23943), (4140, 21167), (4164, 21045), (4209, 20820), (5205, 16836), (5490, 15962), (5612, 15615), (6246, 14030), (6940, 12627), (7015, 12492), (7981, 10980), (8418, 10410)]