208219560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{251}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 650280960

約数和(自身を除く): 442061400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 223, 248, 251, 310, 372, 446, 465, 502, 620, 669, 744, 753, 892, 930, 1004, 1115, 1240, 1255, 1338, 1506, 1784, 1860, 2008, 2230, 2510, 2676, 3012, 3345, 3720, 3765, 4460, 5020, 5352, 6024, 6690, 6913, 7530, 7781, 8920, 10040, 13380, 13826, 15060, 15562, 20739, 23343, 26760, 27652, 30120, 31124, 34565, 38905, 41478, 46686, 55304, 55973, 62248, 69130, 77810, 82956, 93372, 103695, 111946, 116715, 138260, 155620, 165912, 167919, 186744, 207390, 223892, 233430, 276520, 279865, 311240, 335838, 414780, 447784, 466860, 559730, 671676, 829560, 839595, 933720, 1119460, 1343352, 1679190, 1735163, 2238920, 3358380, 3470326, 5205489, 6716760, 6940652, 8675815, 10410978, 13881304, 17351630, 20821956, 26027445, 34703260, 41643912, 52054890, 69406520, 104109780, 208219560]

約数ペア:

[(1, 208219560), (2, 104109780), (3, 69406520), (4, 52054890), (5, 41643912), (6, 34703260), (8, 26027445), (10, 20821956), (12, 17351630), (15, 13881304), (20, 10410978), (24, 8675815), (30, 6940652), (31, 6716760), (40, 5205489), (60, 3470326), (62, 3358380), (93, 2238920), (120, 1735163), (124, 1679190), (155, 1343352), (186, 1119460), (223, 933720), (248, 839595), (251, 829560), (310, 671676), (372, 559730), (446, 466860), (465, 447784), (502, 414780), (620, 335838), (669, 311240), (744, 279865), (753, 276520), (892, 233430), (930, 223892), (1004, 207390), (1115, 186744), (1240, 167919), (1255, 165912), (1338, 155620), (1506, 138260), (1784, 116715), (1860, 111946), (2008, 103695), (2230, 93372), (2510, 82956), (2676, 77810), (3012, 69130), (3345, 62248), (3720, 55973), (3765, 55304), (4460, 46686), (5020, 41478), (5352, 38905), (6024, 34565), (6690, 31124), (6913, 30120), (7530, 27652), (7781, 26760), (8920, 23343), (10040, 20739), (13380, 15562), (13826, 15060)]