30999600

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 180

約数和(自身を含む): 109938400

約数和(自身を除く): 78938800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 79, 80, 90, 100, 109, 120, 144, 150, 158, 180, 200, 218, 225, 237, 240, 300, 316, 327, 360, 395, 400, 436, 450, 474, 545, 600, 632, 654, 711, 720, 790, 872, 900, 948, 981, 1090, 1185, 1200, 1264, 1308, 1422, 1580, 1635, 1744, 1800, 1896, 1962, 1975, 2180, 2370, 2616, 2725, 2844, 3160, 3270, 3555, 3600, 3792, 3924, 3950, 4360, 4740, 4905, 5232, 5450, 5688, 5925, 6320, 6540, 7110, 7848, 7900, 8175, 8611, 8720, 9480, 9810, 10900, 11376, 11850, 13080, 14220, 15696, 15800, 16350, 17222, 17775, 18960, 19620, 21800, 23700, 24525, 25833, 26160, 28440, 31600, 32700, 34444, 35550, 39240, 43055, 43600, 47400, 49050, 51666, 56880, 65400, 68888, 71100, 77499, 78480, 86110, 94800, 98100, 103332, 129165, 130800, 137776, 142200, 154998, 172220, 196200, 206664, 215275, 258330, 284400, 309996, 344440, 387495, 392400, 413328, 430550, 516660, 619992, 645825, 688880, 774990, 861100, 1033320, 1239984, 1291650, 1549980, 1722200, 1937475, 2066640, 2583300, 3099960, 3444400, 3874950, 5166600, 6199920, 7749900, 10333200, 15499800, 30999600]

約数ペア:

[(1, 30999600), (2, 15499800), (3, 10333200), (4, 7749900), (5, 6199920), (6, 5166600), (8, 3874950), (9, 3444400), (10, 3099960), (12, 2583300), (15, 2066640), (16, 1937475), (18, 1722200), (20, 1549980), (24, 1291650), (25, 1239984), (30, 1033320), (36, 861100), (40, 774990), (45, 688880), (48, 645825), (50, 619992), (60, 516660), (72, 430550), (75, 413328), (79, 392400), (80, 387495), (90, 344440), (100, 309996), (109, 284400), (120, 258330), (144, 215275), (150, 206664), (158, 196200), (180, 172220), (200, 154998), (218, 142200), (225, 137776), (237, 130800), (240, 129165), (300, 103332), (316, 98100), (327, 94800), (360, 86110), (395, 78480), (400, 77499), (436, 71100), (450, 68888), (474, 65400), (545, 56880), (600, 51666), (632, 49050), (654, 47400), (711, 43600), (720, 43055), (790, 39240), (872, 35550), (900, 34444), (948, 32700), (981, 31600), (1090, 28440), (1185, 26160), (1200, 25833), (1264, 24525), (1308, 23700), (1422, 21800), (1580, 19620), (1635, 18960), (1744, 17775), (1800, 17222), (1896, 16350), (1962, 15800), (1975, 15696), (2180, 14220), (2370, 13080), (2616, 11850), (2725, 11376), (2844, 10900), (3160, 9810), (3270, 9480), (3555, 8720), (3600, 8611), (3792, 8175), (3924, 7900), (3950, 7848), (4360, 7110), (4740, 6540), (4905, 6320), (5232, 5925), (5450, 5688)]