275220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1$

素因数の和:165

約数の個数: 72

約数和(自身を含む): 917280

約数和(自身を除く): 642060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 139, 165, 180, 198, 220, 278, 330, 396, 417, 495, 556, 660, 695, 834, 990, 1251, 1390, 1529, 1668, 1980, 2085, 2502, 2780, 3058, 4170, 4587, 5004, 6116, 6255, 7645, 8340, 9174, 12510, 13761, 15290, 18348, 22935, 25020, 27522, 30580, 45870, 55044, 68805, 91740, 137610, 275220]

約数ペア:

[(1, 275220), (2, 137610), (3, 91740), (4, 68805), (5, 55044), (6, 45870), (9, 30580), (10, 27522), (11, 25020), (12, 22935), (15, 18348), (18, 15290), (20, 13761), (22, 12510), (30, 9174), (33, 8340), (36, 7645), (44, 6255), (45, 6116), (55, 5004), (60, 4587), (66, 4170), (90, 3058), (99, 2780), (110, 2502), (132, 2085), (139, 1980), (165, 1668), (180, 1529), (198, 1390), (220, 1251), (278, 990), (330, 834), (396, 695), (417, 660), (495, 556)]