81713160

素因数分解:

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

素因数の和:200

約数の個数: 96

約数和(自身を含む): 269993880

約数和(自身を除く): 188280720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 3721, 4392, 5490, 7320, 7442, 10980, 11163, 14884, 18605, 21960, 22326, 29768, 33489, 37210, 44652, 55815, 66978, 74420, 89304, 111630, 133956, 148840, 167445, 223260, 226981, 267912, 334890, 446520, 453962, 669780, 680943, 907924, 1134905, 1339560, 1361886, 1815848, 2042829, 2269810, 2723772, 3404715, 4085658, 4539620, 5447544, 6809430, 8171316, 9079240, 10214145, 13618860, 16342632, 20428290, 27237720, 40856580, 81713160]

約数ペア:

[(1, 81713160), (2, 40856580), (3, 27237720), (4, 20428290), (5, 16342632), (6, 13618860), (8, 10214145), (9, 9079240), (10, 8171316), (12, 6809430), (15, 5447544), (18, 4539620), (20, 4085658), (24, 3404715), (30, 2723772), (36, 2269810), (40, 2042829), (45, 1815848), (60, 1361886), (61, 1339560), (72, 1134905), (90, 907924), (120, 680943), (122, 669780), (180, 453962), (183, 446520), (244, 334890), (305, 267912), (360, 226981), (366, 223260), (488, 167445), (549, 148840), (610, 133956), (732, 111630), (915, 89304), (1098, 74420), (1220, 66978), (1464, 55815), (1830, 44652), (2196, 37210), (2440, 33489), (2745, 29768), (3660, 22326), (3721, 21960), (4392, 18605), (5490, 14884), (7320, 11163), (7442, 10980)]