66875640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 218211840

約数和(自身を除く): 151336200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 163, 195, 260, 263, 312, 326, 390, 489, 520, 526, 652, 780, 789, 815, 978, 1052, 1304, 1315, 1560, 1578, 1630, 1956, 2104, 2119, 2445, 2630, 3156, 3260, 3419, 3912, 3945, 4238, 4890, 5260, 6312, 6357, 6520, 6838, 7890, 8476, 9780, 10257, 10520, 10595, 12714, 13676, 15780, 16952, 17095, 19560, 20514, 21190, 25428, 27352, 31560, 31785, 34190, 41028, 42380, 42869, 50856, 51285, 63570, 68380, 82056, 84760, 85738, 102570, 127140, 128607, 136760, 171476, 205140, 214345, 254280, 257214, 342952, 410280, 428690, 514428, 557297, 643035, 857380, 1028856, 1114594, 1286070, 1671891, 1714760, 2229188, 2572140, 2786485, 3343782, 4458376, 5144280, 5572970, 6687564, 8359455, 11145940, 13375128, 16718910, 22291880, 33437820, 66875640]

約数ペア:

[(1, 66875640), (2, 33437820), (3, 22291880), (4, 16718910), (5, 13375128), (6, 11145940), (8, 8359455), (10, 6687564), (12, 5572970), (13, 5144280), (15, 4458376), (20, 3343782), (24, 2786485), (26, 2572140), (30, 2229188), (39, 1714760), (40, 1671891), (52, 1286070), (60, 1114594), (65, 1028856), (78, 857380), (104, 643035), (120, 557297), (130, 514428), (156, 428690), (163, 410280), (195, 342952), (260, 257214), (263, 254280), (312, 214345), (326, 205140), (390, 171476), (489, 136760), (520, 128607), (526, 127140), (652, 102570), (780, 85738), (789, 84760), (815, 82056), (978, 68380), (1052, 63570), (1304, 51285), (1315, 50856), (1560, 42869), (1578, 42380), (1630, 41028), (1956, 34190), (2104, 31785), (2119, 31560), (2445, 27352), (2630, 25428), (3156, 21190), (3260, 20514), (3419, 19560), (3912, 17095), (3945, 16952), (4238, 15780), (4890, 13676), (5260, 12714), (6312, 10595), (6357, 10520), (6520, 10257), (6838, 9780), (7890, 8476)]