81733860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3881}}^1$

素因数の和:3915

約数の個数: 120

約数和(自身を含む): 276196536

約数和(自身を除く): 194462676

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, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3510, 3881, 4212, 5265, 7020, 7762, 10530, 11643, 15524, 19405, 21060, 23286, 34929, 38810, 46572, 50453, 58215, 69858, 77620, 100906, 104787, 116430, 139716, 151359, 174645, 201812, 209574, 232860, 252265, 302718, 314361, 349290, 419148, 454077, 504530, 523935, 605436, 628722, 698580, 756795, 908154, 1009060, 1047870, 1257444, 1362231, 1513590, 1571805, 1816308, 2095740, 2270385, 2724462, 3027180, 3143610, 4086693, 4540770, 5448924, 6287220, 6811155, 8173386, 9081540, 13622310, 16346772, 20433465, 27244620, 40866930, 81733860]

約数ペア:

[(1, 81733860), (2, 40866930), (3, 27244620), (4, 20433465), (5, 16346772), (6, 13622310), (9, 9081540), (10, 8173386), (12, 6811155), (13, 6287220), (15, 5448924), (18, 4540770), (20, 4086693), (26, 3143610), (27, 3027180), (30, 2724462), (36, 2270385), (39, 2095740), (45, 1816308), (52, 1571805), (54, 1513590), (60, 1362231), (65, 1257444), (78, 1047870), (81, 1009060), (90, 908154), (108, 756795), (117, 698580), (130, 628722), (135, 605436), (156, 523935), (162, 504530), (180, 454077), (195, 419148), (234, 349290), (260, 314361), (270, 302718), (324, 252265), (351, 232860), (390, 209574), (405, 201812), (468, 174645), (540, 151359), (585, 139716), (702, 116430), (780, 104787), (810, 100906), (1053, 77620), (1170, 69858), (1404, 58215), (1620, 50453), (1755, 46572), (2106, 38810), (2340, 34929), (3510, 23286), (3881, 21060), (4212, 19405), (5265, 15524), (7020, 11643), (7762, 10530)]