18141240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 60782400

約数和(自身を除く): 42641160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 401, 435, 520, 580, 696, 754, 780, 802, 870, 1131, 1160, 1203, 1508, 1560, 1604, 1740, 1885, 2005, 2262, 2406, 3016, 3208, 3480, 3770, 4010, 4524, 4812, 5213, 5655, 6015, 7540, 8020, 9048, 9624, 10426, 11310, 11629, 12030, 15080, 15639, 16040, 20852, 22620, 23258, 24060, 26065, 31278, 34887, 41704, 45240, 46516, 48120, 52130, 58145, 62556, 69774, 78195, 93032, 104260, 116290, 125112, 139548, 151177, 156390, 174435, 208520, 232580, 279096, 302354, 312780, 348870, 453531, 465160, 604708, 625560, 697740, 755885, 907062, 1209416, 1395480, 1511770, 1814124, 2267655, 3023540, 3628248, 4535310, 6047080, 9070620, 18141240]

約数ペア:

[(1, 18141240), (2, 9070620), (3, 6047080), (4, 4535310), (5, 3628248), (6, 3023540), (8, 2267655), (10, 1814124), (12, 1511770), (13, 1395480), (15, 1209416), (20, 907062), (24, 755885), (26, 697740), (29, 625560), (30, 604708), (39, 465160), (40, 453531), (52, 348870), (58, 312780), (60, 302354), (65, 279096), (78, 232580), (87, 208520), (104, 174435), (116, 156390), (120, 151177), (130, 139548), (145, 125112), (156, 116290), (174, 104260), (195, 93032), (232, 78195), (260, 69774), (290, 62556), (312, 58145), (348, 52130), (377, 48120), (390, 46516), (401, 45240), (435, 41704), (520, 34887), (580, 31278), (696, 26065), (754, 24060), (780, 23258), (802, 22620), (870, 20852), (1131, 16040), (1160, 15639), (1203, 15080), (1508, 12030), (1560, 11629), (1604, 11310), (1740, 10426), (1885, 9624), (2005, 9048), (2262, 8020), (2406, 7540), (3016, 6015), (3208, 5655), (3480, 5213), (3770, 4812), (4010, 4524)]