180203868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12421}}^1$

素因数の和:12475

約数の個数: 72

約数和(自身を含む): 506420096

約数和(自身を除く): 326216228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 12421, 14508, 24842, 37263, 49684, 74526, 111789, 149052, 161473, 223578, 322946, 385051, 447156, 484419, 645892, 770102, 968838, 1155153, 1453257, 1540204, 1937676, 2310306, 2906514, 3465459, 4620612, 5005663, 5813028, 6930918, 10011326, 13861836, 15016989, 20022652, 30033978, 45050967, 60067956, 90101934, 180203868]

約数ペア:

[(1, 180203868), (2, 90101934), (3, 60067956), (4, 45050967), (6, 30033978), (9, 20022652), (12, 15016989), (13, 13861836), (18, 10011326), (26, 6930918), (31, 5813028), (36, 5005663), (39, 4620612), (52, 3465459), (62, 2906514), (78, 2310306), (93, 1937676), (117, 1540204), (124, 1453257), (156, 1155153), (186, 968838), (234, 770102), (279, 645892), (372, 484419), (403, 447156), (468, 385051), (558, 322946), (806, 223578), (1116, 161473), (1209, 149052), (1612, 111789), (2418, 74526), (3627, 49684), (4836, 37263), (7254, 24842), (12421, 14508)]