64427220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2503}}^1$

素因数の和:2542

約数の個数: 144

約数和(自身を含む): 229686912

約数和(自身を除く): 165259692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2503, 2574, 2860, 4290, 5006, 5148, 6435, 7509, 8580, 10012, 12515, 12870, 15018, 22527, 25030, 25740, 27533, 30036, 32539, 37545, 45054, 50060, 55066, 65078, 75090, 82599, 90108, 97617, 110132, 112635, 130156, 137665, 150180, 162695, 165198, 195234, 225270, 247797, 275330, 292851, 325390, 330396, 357929, 390468, 412995, 450540, 488085, 495594, 550660, 585702, 650780, 715858, 825990, 976170, 991188, 1073787, 1171404, 1238985, 1431716, 1464255, 1651980, 1789645, 1952340, 2147574, 2477970, 2928510, 3221361, 3579290, 4295148, 4955940, 5368935, 5857020, 6442722, 7158580, 10737870, 12885444, 16106805, 21475740, 32213610, 64427220]

約数ペア:

[(1, 64427220), (2, 32213610), (3, 21475740), (4, 16106805), (5, 12885444), (6, 10737870), (9, 7158580), (10, 6442722), (11, 5857020), (12, 5368935), (13, 4955940), (15, 4295148), (18, 3579290), (20, 3221361), (22, 2928510), (26, 2477970), (30, 2147574), (33, 1952340), (36, 1789645), (39, 1651980), (44, 1464255), (45, 1431716), (52, 1238985), (55, 1171404), (60, 1073787), (65, 991188), (66, 976170), (78, 825990), (90, 715858), (99, 650780), (110, 585702), (117, 550660), (130, 495594), (132, 488085), (143, 450540), (156, 412995), (165, 390468), (180, 357929), (195, 330396), (198, 325390), (220, 292851), (234, 275330), (260, 247797), (286, 225270), (330, 195234), (390, 165198), (396, 162695), (429, 150180), (468, 137665), (495, 130156), (572, 112635), (585, 110132), (660, 97617), (715, 90108), (780, 82599), (858, 75090), (990, 65078), (1170, 55066), (1287, 50060), (1430, 45054), (1716, 37545), (1980, 32539), (2145, 30036), (2340, 27533), (2503, 25740), (2574, 25030), (2860, 22527), (4290, 15018), (5006, 12870), (5148, 12515), (6435, 10012), (7509, 8580)]