129787080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:435

約数の個数: 128

約数和(自身を含む): 406425600

約数和(自身を除く): 276638520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 139, 155, 186, 248, 251, 278, 310, 372, 417, 465, 502, 556, 620, 695, 744, 753, 834, 930, 1004, 1112, 1240, 1255, 1390, 1506, 1668, 1860, 2008, 2085, 2510, 2780, 3012, 3336, 3720, 3765, 4170, 4309, 5020, 5560, 6024, 7530, 7781, 8340, 8618, 10040, 12927, 15060, 15562, 16680, 17236, 21545, 23343, 25854, 30120, 31124, 34472, 34889, 38905, 43090, 46686, 51708, 62248, 64635, 69778, 77810, 86180, 93372, 103416, 104667, 116715, 129270, 139556, 155620, 172360, 174445, 186744, 209334, 233430, 258540, 279112, 311240, 348890, 418668, 466860, 517080, 523335, 697780, 837336, 933720, 1046670, 1081559, 1395560, 2093340, 2163118, 3244677, 4186680, 4326236, 5407795, 6489354, 8652472, 10815590, 12978708, 16223385, 21631180, 25957416, 32446770, 43262360, 64893540, 129787080]

約数ペア:

[(1, 129787080), (2, 64893540), (3, 43262360), (4, 32446770), (5, 25957416), (6, 21631180), (8, 16223385), (10, 12978708), (12, 10815590), (15, 8652472), (20, 6489354), (24, 5407795), (30, 4326236), (31, 4186680), (40, 3244677), (60, 2163118), (62, 2093340), (93, 1395560), (120, 1081559), (124, 1046670), (139, 933720), (155, 837336), (186, 697780), (248, 523335), (251, 517080), (278, 466860), (310, 418668), (372, 348890), (417, 311240), (465, 279112), (502, 258540), (556, 233430), (620, 209334), (695, 186744), (744, 174445), (753, 172360), (834, 155620), (930, 139556), (1004, 129270), (1112, 116715), (1240, 104667), (1255, 103416), (1390, 93372), (1506, 86180), (1668, 77810), (1860, 69778), (2008, 64635), (2085, 62248), (2510, 51708), (2780, 46686), (3012, 43090), (3336, 38905), (3720, 34889), (3765, 34472), (4170, 31124), (4309, 30120), (5020, 25854), (5560, 23343), (6024, 21545), (7530, 17236), (7781, 16680), (8340, 15562), (8618, 15060), (10040, 12927)]