18015960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 40044840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 167, 174, 186, 232, 248, 290, 310, 334, 348, 372, 435, 465, 501, 580, 620, 668, 696, 744, 835, 870, 899, 930, 1002, 1160, 1240, 1336, 1670, 1740, 1798, 1860, 2004, 2505, 2697, 3340, 3480, 3596, 3720, 4008, 4495, 4843, 5010, 5177, 5394, 6680, 7192, 8990, 9686, 10020, 10354, 10788, 13485, 14529, 15531, 17980, 19372, 20040, 20708, 21576, 24215, 25885, 26970, 29058, 31062, 35960, 38744, 41416, 48430, 51770, 53940, 58116, 62124, 72645, 77655, 96860, 103540, 107880, 116232, 124248, 145290, 150133, 155310, 193720, 207080, 290580, 300266, 310620, 450399, 581160, 600532, 621240, 750665, 900798, 1201064, 1501330, 1801596, 2251995, 3002660, 3603192, 4503990, 6005320, 9007980, 18015960]

約数ペア:

[(1, 18015960), (2, 9007980), (3, 6005320), (4, 4503990), (5, 3603192), (6, 3002660), (8, 2251995), (10, 1801596), (12, 1501330), (15, 1201064), (20, 900798), (24, 750665), (29, 621240), (30, 600532), (31, 581160), (40, 450399), (58, 310620), (60, 300266), (62, 290580), (87, 207080), (93, 193720), (116, 155310), (120, 150133), (124, 145290), (145, 124248), (155, 116232), (167, 107880), (174, 103540), (186, 96860), (232, 77655), (248, 72645), (290, 62124), (310, 58116), (334, 53940), (348, 51770), (372, 48430), (435, 41416), (465, 38744), (501, 35960), (580, 31062), (620, 29058), (668, 26970), (696, 25885), (744, 24215), (835, 21576), (870, 20708), (899, 20040), (930, 19372), (1002, 17980), (1160, 15531), (1240, 14529), (1336, 13485), (1670, 10788), (1740, 10354), (1798, 10020), (1860, 9686), (2004, 8990), (2505, 7192), (2697, 6680), (3340, 5394), (3480, 5177), (3596, 5010), (3720, 4843), (4008, 4495)]