164186640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1399}}^1$

素因数の和:1581

約数の個数: 120

約数和(自身を含む): 555172800

約数和(自身を除く): 390986160

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, 163, 180, 240, 326, 360, 489, 652, 720, 815, 978, 1304, 1399, 1467, 1630, 1956, 2445, 2608, 2798, 2934, 3260, 3912, 4197, 4890, 5596, 5868, 6520, 6995, 7335, 7824, 8394, 9780, 11192, 11736, 12591, 13040, 13990, 14670, 16788, 19560, 20985, 22384, 23472, 25182, 27980, 29340, 33576, 39120, 41970, 50364, 55960, 58680, 62955, 67152, 83940, 100728, 111920, 117360, 125910, 167880, 201456, 228037, 251820, 335760, 456074, 503640, 684111, 912148, 1007280, 1140185, 1368222, 1824296, 2052333, 2280370, 2736444, 3420555, 3648592, 4104666, 4560740, 5472888, 6841110, 8209332, 9121480, 10261665, 10945776, 13682220, 16418664, 18242960, 20523330, 27364440, 32837328, 41046660, 54728880, 82093320, 164186640]

約数ペア:

[(1, 164186640), (2, 82093320), (3, 54728880), (4, 41046660), (5, 32837328), (6, 27364440), (8, 20523330), (9, 18242960), (10, 16418664), (12, 13682220), (15, 10945776), (16, 10261665), (18, 9121480), (20, 8209332), (24, 6841110), (30, 5472888), (36, 4560740), (40, 4104666), (45, 3648592), (48, 3420555), (60, 2736444), (72, 2280370), (80, 2052333), (90, 1824296), (120, 1368222), (144, 1140185), (163, 1007280), (180, 912148), (240, 684111), (326, 503640), (360, 456074), (489, 335760), (652, 251820), (720, 228037), (815, 201456), (978, 167880), (1304, 125910), (1399, 117360), (1467, 111920), (1630, 100728), (1956, 83940), (2445, 67152), (2608, 62955), (2798, 58680), (2934, 55960), (3260, 50364), (3912, 41970), (4197, 39120), (4890, 33576), (5596, 29340), (5868, 27980), (6520, 25182), (6995, 23472), (7335, 22384), (7824, 20985), (8394, 19560), (9780, 16788), (11192, 14670), (11736, 13990), (12591, 13040)]