123011320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9521}}^1$

素因数の和:9568

約数の個数: 64

約数和(自身を含む): 308512800

約数和(自身を除く): 185501480

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 9521, 12920, 19042, 38084, 47605, 76168, 95210, 161857, 180899, 190420, 323714, 361798, 380840, 647428, 723596, 809285, 904495, 1294856, 1447192, 1618570, 1808990, 3075283, 3237140, 3617980, 6150566, 6474280, 7235960, 12301132, 15376415, 24602264, 30752830, 61505660, 123011320]

約数ペア:

[(1, 123011320), (2, 61505660), (4, 30752830), (5, 24602264), (8, 15376415), (10, 12301132), (17, 7235960), (19, 6474280), (20, 6150566), (34, 3617980), (38, 3237140), (40, 3075283), (68, 1808990), (76, 1618570), (85, 1447192), (95, 1294856), (136, 904495), (152, 809285), (170, 723596), (190, 647428), (323, 380840), (340, 361798), (380, 323714), (646, 190420), (680, 180899), (760, 161857), (1292, 95210), (1615, 76168), (2584, 47605), (3230, 38084), (6460, 19042), (9521, 12920)]