123454890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{105517}}^1$

素因数の和:105543

約数の個数: 48

約数和(自身を含む): 345676968

約数和(自身を除く): 222222078

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 105517, 211034, 316551, 527585, 633102, 949653, 1055170, 1371721, 1582755, 1899306, 2743442, 3165510, 4115163, 4748265, 6858605, 8230326, 9496530, 12345489, 13717210, 20575815, 24690978, 41151630, 61727445, 123454890]

約数ペア:

[(1, 123454890), (2, 61727445), (3, 41151630), (5, 24690978), (6, 20575815), (9, 13717210), (10, 12345489), (13, 9496530), (15, 8230326), (18, 6858605), (26, 4748265), (30, 4115163), (39, 3165510), (45, 2743442), (65, 1899306), (78, 1582755), (90, 1371721), (117, 1055170), (130, 949653), (195, 633102), (234, 527585), (390, 316551), (585, 211034), (1170, 105517)]