128056920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62773}}^1$

素因数の和:62804

約数の個数: 64

約数和(自身を含む): 406775520

約数和(自身を除く): 278718600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 62773, 125546, 188319, 251092, 313865, 376638, 502184, 627730, 753276, 941595, 1067141, 1255460, 1506552, 1883190, 2134282, 2510920, 3201423, 3766380, 4268564, 5335705, 6402846, 7532760, 8537128, 10671410, 12805692, 16007115, 21342820, 25611384, 32014230, 42685640, 64028460, 128056920]

約数ペア:

[(1, 128056920), (2, 64028460), (3, 42685640), (4, 32014230), (5, 25611384), (6, 21342820), (8, 16007115), (10, 12805692), (12, 10671410), (15, 8537128), (17, 7532760), (20, 6402846), (24, 5335705), (30, 4268564), (34, 3766380), (40, 3201423), (51, 2510920), (60, 2134282), (68, 1883190), (85, 1506552), (102, 1255460), (120, 1067141), (136, 941595), (170, 753276), (204, 627730), (255, 502184), (340, 376638), (408, 313865), (510, 251092), (680, 188319), (1020, 125546), (2040, 62773)]