201881520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1409}}^1$

素因数の和:1627

約数の個数: 120

約数和(自身を含む): 681876000

約数和(自身を除く): 479994480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 199, 240, 360, 398, 597, 720, 796, 995, 1194, 1409, 1592, 1791, 1990, 2388, 2818, 2985, 3184, 3582, 3980, 4227, 4776, 5636, 5970, 7045, 7164, 7960, 8454, 8955, 9552, 11272, 11940, 12681, 14090, 14328, 15920, 16908, 17910, 21135, 22544, 23880, 25362, 28180, 28656, 33816, 35820, 42270, 47760, 50724, 56360, 63405, 67632, 71640, 84540, 101448, 112720, 126810, 143280, 169080, 202896, 253620, 280391, 338160, 507240, 560782, 841173, 1014480, 1121564, 1401955, 1682346, 2243128, 2523519, 2803910, 3364692, 4205865, 4486256, 5047038, 5607820, 6729384, 8411730, 10094076, 11215640, 12617595, 13458768, 16823460, 20188152, 22431280, 25235190, 33646920, 40376304, 50470380, 67293840, 100940760, 201881520]

約数ペア:

[(1, 201881520), (2, 100940760), (3, 67293840), (4, 50470380), (5, 40376304), (6, 33646920), (8, 25235190), (9, 22431280), (10, 20188152), (12, 16823460), (15, 13458768), (16, 12617595), (18, 11215640), (20, 10094076), (24, 8411730), (30, 6729384), (36, 5607820), (40, 5047038), (45, 4486256), (48, 4205865), (60, 3364692), (72, 2803910), (80, 2523519), (90, 2243128), (120, 1682346), (144, 1401955), (180, 1121564), (199, 1014480), (240, 841173), (360, 560782), (398, 507240), (597, 338160), (720, 280391), (796, 253620), (995, 202896), (1194, 169080), (1409, 143280), (1592, 126810), (1791, 112720), (1990, 101448), (2388, 84540), (2818, 71640), (2985, 67632), (3184, 63405), (3582, 56360), (3980, 50724), (4227, 47760), (4776, 42270), (5636, 35820), (5970, 33816), (7045, 28656), (7164, 28180), (7960, 25362), (8454, 23880), (8955, 22544), (9552, 21135), (11272, 17910), (11940, 16908), (12681, 15920), (14090, 14328)]