20145918780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{16981}}^1$

素因数の和:17038

約数の個数: 192

約数和(自身を含む): 67900828800

約数和(自身を除く): 47754910020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 169, 180, 195, 234, 260, 270, 338, 351, 390, 468, 507, 540, 585, 676, 702, 780, 845, 1014, 1170, 1404, 1521, 1690, 1755, 2028, 2197, 2340, 2535, 3042, 3380, 3510, 4394, 4563, 5070, 6084, 6591, 7020, 7605, 8788, 9126, 10140, 10985, 13182, 15210, 16981, 18252, 19773, 21970, 22815, 26364, 30420, 32955, 33962, 39546, 43940, 45630, 50943, 59319, 65910, 67924, 79092, 84905, 91260, 98865, 101886, 118638, 131820, 152829, 169810, 197730, 203772, 220753, 237276, 254715, 296595, 305658, 339620, 395460, 441506, 458487, 509430, 593190, 611316, 662259, 764145, 883012, 916974, 1018860, 1103765, 1186380, 1324518, 1528290, 1833948, 1986777, 2207530, 2292435, 2649036, 2869789, 3056580, 3311295, 3973554, 4415060, 4584870, 5739578, 5960331, 6622590, 7947108, 8609367, 9169740, 9933885, 11479156, 11920662, 13245180, 14348945, 17218734, 19867770, 23841324, 25828101, 28697890, 29801655, 34437468, 37307257, 39735540, 43046835, 51656202, 57395780, 59603310, 74614514, 77484303, 86093670, 103312404, 111921771, 119206620, 129140505, 149229028, 154968606, 172187340, 186536285, 223843542, 258281010, 309937212, 335765313, 373072570, 387421515, 447687084, 516562020, 559608855, 671530626, 746145140, 774843030, 1007295939, 1119217710, 1343061252, 1549686060, 1678826565, 2014591878, 2238435420, 3357653130, 4029183756, 5036479695, 6715306260, 10072959390, 20145918780]

約数ペア:

[(1, 20145918780), (2, 10072959390), (3, 6715306260), (4, 5036479695), (5, 4029183756), (6, 3357653130), (9, 2238435420), (10, 2014591878), (12, 1678826565), (13, 1549686060), (15, 1343061252), (18, 1119217710), (20, 1007295939), (26, 774843030), (27, 746145140), (30, 671530626), (36, 559608855), (39, 516562020), (45, 447687084), (52, 387421515), (54, 373072570), (60, 335765313), (65, 309937212), (78, 258281010), (90, 223843542), (108, 186536285), (117, 172187340), (130, 154968606), (135, 149229028), (156, 129140505), (169, 119206620), (180, 111921771), (195, 103312404), (234, 86093670), (260, 77484303), (270, 74614514), (338, 59603310), (351, 57395780), (390, 51656202), (468, 43046835), (507, 39735540), (540, 37307257), (585, 34437468), (676, 29801655), (702, 28697890), (780, 25828101), (845, 23841324), (1014, 19867770), (1170, 17218734), (1404, 14348945), (1521, 13245180), (1690, 11920662), (1755, 11479156), (2028, 9933885), (2197, 9169740), (2340, 8609367), (2535, 7947108), (3042, 6622590), (3380, 5960331), (3510, 5739578), (4394, 4584870), (4563, 4415060), (5070, 3973554), (6084, 3311295), (6591, 3056580), (7020, 2869789), (7605, 2649036), (8788, 2292435), (9126, 2207530), (10140, 1986777), (10985, 1833948), (13182, 1528290), (15210, 1324518), (16981, 1186380), (18252, 1103765), (19773, 1018860), (21970, 916974), (22815, 883012), (26364, 764145), (30420, 662259), (32955, 611316), (33962, 593190), (39546, 509430), (43940, 458487), (45630, 441506), (50943, 395460), (59319, 339620), (65910, 305658), (67924, 296595), (79092, 254715), (84905, 237276), (91260, 220753), (98865, 203772), (101886, 197730), (118638, 169810), (131820, 152829)]