87239240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 230947200

約数和(自身を除く): 143707960

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 107, 109, 110, 136, 170, 187, 214, 218, 220, 340, 374, 428, 436, 440, 535, 545, 680, 748, 856, 872, 935, 1070, 1090, 1177, 1199, 1496, 1819, 1853, 1870, 2140, 2180, 2354, 2398, 3638, 3706, 3740, 4280, 4360, 4708, 4796, 5885, 5995, 7276, 7412, 7480, 9095, 9265, 9416, 9592, 11663, 11770, 11990, 14552, 14824, 18190, 18530, 20009, 20383, 23326, 23540, 23980, 36380, 37060, 40018, 40766, 46652, 47080, 47960, 58315, 72760, 74120, 80036, 81532, 93304, 100045, 101915, 116630, 128293, 160072, 163064, 198271, 200090, 203830, 233260, 256586, 396542, 400180, 407660, 466520, 513172, 641465, 793084, 800360, 815320, 991355, 1026344, 1282930, 1586168, 1982710, 2180981, 2565860, 3965420, 4361962, 5131720, 7930840, 8723924, 10904905, 17447848, 21809810, 43619620, 87239240]

約数ペア:

[(1, 87239240), (2, 43619620), (4, 21809810), (5, 17447848), (8, 10904905), (10, 8723924), (11, 7930840), (17, 5131720), (20, 4361962), (22, 3965420), (34, 2565860), (40, 2180981), (44, 1982710), (55, 1586168), (68, 1282930), (85, 1026344), (88, 991355), (107, 815320), (109, 800360), (110, 793084), (136, 641465), (170, 513172), (187, 466520), (214, 407660), (218, 400180), (220, 396542), (340, 256586), (374, 233260), (428, 203830), (436, 200090), (440, 198271), (535, 163064), (545, 160072), (680, 128293), (748, 116630), (856, 101915), (872, 100045), (935, 93304), (1070, 81532), (1090, 80036), (1177, 74120), (1199, 72760), (1496, 58315), (1819, 47960), (1853, 47080), (1870, 46652), (2140, 40766), (2180, 40018), (2354, 37060), (2398, 36380), (3638, 23980), (3706, 23540), (3740, 23326), (4280, 20383), (4360, 20009), (4708, 18530), (4796, 18190), (5885, 14824), (5995, 14552), (7276, 11990), (7412, 11770), (7480, 11663), (9095, 9592), (9265, 9416)]