18887700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 61246080

約数和(自身を除く): 42358380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 29, 30, 39, 50, 52, 58, 60, 65, 75, 78, 87, 100, 116, 130, 145, 150, 156, 167, 174, 195, 260, 290, 300, 325, 334, 348, 377, 390, 435, 501, 580, 650, 668, 725, 754, 780, 835, 870, 975, 1002, 1131, 1300, 1450, 1508, 1670, 1740, 1885, 1950, 2004, 2171, 2175, 2262, 2505, 2900, 3340, 3770, 3900, 4175, 4342, 4350, 4524, 4843, 5010, 5655, 6513, 7540, 8350, 8684, 8700, 9425, 9686, 10020, 10855, 11310, 12525, 13026, 14529, 16700, 18850, 19372, 21710, 22620, 24215, 25050, 26052, 28275, 29058, 32565, 37700, 43420, 48430, 50100, 54275, 56550, 58116, 62959, 65130, 72645, 96860, 108550, 113100, 121075, 125918, 130260, 145290, 162825, 188877, 217100, 242150, 251836, 290580, 314795, 325650, 363225, 377754, 484300, 629590, 651300, 726450, 755508, 944385, 1259180, 1452900, 1573975, 1888770, 3147950, 3777540, 4721925, 6295900, 9443850, 18887700]

約数ペア:

[(1, 18887700), (2, 9443850), (3, 6295900), (4, 4721925), (5, 3777540), (6, 3147950), (10, 1888770), (12, 1573975), (13, 1452900), (15, 1259180), (20, 944385), (25, 755508), (26, 726450), (29, 651300), (30, 629590), (39, 484300), (50, 377754), (52, 363225), (58, 325650), (60, 314795), (65, 290580), (75, 251836), (78, 242150), (87, 217100), (100, 188877), (116, 162825), (130, 145290), (145, 130260), (150, 125918), (156, 121075), (167, 113100), (174, 108550), (195, 96860), (260, 72645), (290, 65130), (300, 62959), (325, 58116), (334, 56550), (348, 54275), (377, 50100), (390, 48430), (435, 43420), (501, 37700), (580, 32565), (650, 29058), (668, 28275), (725, 26052), (754, 25050), (780, 24215), (835, 22620), (870, 21710), (975, 19372), (1002, 18850), (1131, 16700), (1300, 14529), (1450, 13026), (1508, 12525), (1670, 11310), (1740, 10855), (1885, 10020), (1950, 9686), (2004, 9425), (2171, 8700), (2175, 8684), (2262, 8350), (2505, 7540), (2900, 6513), (3340, 5655), (3770, 5010), (3900, 4843), (4175, 4524), (4342, 4350)]