64867644

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 168808640

約数和(自身を除く): 103940996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 109, 122, 183, 218, 244, 271, 327, 366, 436, 542, 549, 654, 732, 813, 981, 1084, 1098, 1308, 1626, 1962, 2196, 2439, 3252, 3924, 4878, 6649, 9756, 13298, 16531, 19947, 26596, 29539, 33062, 39894, 49593, 59078, 59841, 66124, 79788, 88617, 99186, 118156, 119682, 148779, 177234, 198372, 239364, 265851, 297558, 354468, 531702, 595116, 1063404, 1801879, 3603758, 5405637, 7207516, 10811274, 16216911, 21622548, 32433822, 64867644]

約数ペア:

[(1, 64867644), (2, 32433822), (3, 21622548), (4, 16216911), (6, 10811274), (9, 7207516), (12, 5405637), (18, 3603758), (36, 1801879), (61, 1063404), (109, 595116), (122, 531702), (183, 354468), (218, 297558), (244, 265851), (271, 239364), (327, 198372), (366, 177234), (436, 148779), (542, 119682), (549, 118156), (654, 99186), (732, 88617), (813, 79788), (981, 66124), (1084, 59841), (1098, 59078), (1308, 49593), (1626, 39894), (1962, 33062), (2196, 29539), (2439, 26596), (3252, 19947), (3924, 16531), (4878, 13298), (6649, 9756)]