19580760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:625

約数の個数: 96

約数和(自身を含む): 64350000

約数和(自身を除く): 44769240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 109, 120, 180, 218, 327, 360, 436, 499, 545, 654, 872, 981, 998, 1090, 1308, 1497, 1635, 1962, 1996, 2180, 2495, 2616, 2994, 3270, 3924, 3992, 4360, 4491, 4905, 4990, 5988, 6540, 7485, 7848, 8982, 9810, 9980, 11976, 13080, 14970, 17964, 19620, 19960, 22455, 29940, 35928, 39240, 44910, 54391, 59880, 89820, 108782, 163173, 179640, 217564, 271955, 326346, 435128, 489519, 543910, 652692, 815865, 979038, 1087820, 1305384, 1631730, 1958076, 2175640, 2447595, 3263460, 3916152, 4895190, 6526920, 9790380, 19580760]

約数ペア:

[(1, 19580760), (2, 9790380), (3, 6526920), (4, 4895190), (5, 3916152), (6, 3263460), (8, 2447595), (9, 2175640), (10, 1958076), (12, 1631730), (15, 1305384), (18, 1087820), (20, 979038), (24, 815865), (30, 652692), (36, 543910), (40, 489519), (45, 435128), (60, 326346), (72, 271955), (90, 217564), (109, 179640), (120, 163173), (180, 108782), (218, 89820), (327, 59880), (360, 54391), (436, 44910), (499, 39240), (545, 35928), (654, 29940), (872, 22455), (981, 19960), (998, 19620), (1090, 17964), (1308, 14970), (1497, 13080), (1635, 11976), (1962, 9980), (1996, 9810), (2180, 8982), (2495, 7848), (2616, 7485), (2994, 6540), (3270, 5988), (3924, 4990), (3992, 4905), (4360, 4491)]