255288720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34313}}^1$

素因数の和:34360

約数の個数: 80

約数和(自身を含む): 816947712

約数和(自身を除く): 561658992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 34313, 68626, 102939, 137252, 171565, 205878, 274504, 343130, 411756, 514695, 549008, 686260, 823512, 1029390, 1063703, 1372520, 1647024, 2058780, 2127406, 2745040, 3191109, 4117560, 4254812, 5318515, 6382218, 8235120, 8509624, 10637030, 12764436, 15955545, 17019248, 21274060, 25528872, 31911090, 42548120, 51057744, 63822180, 85096240, 127644360, 255288720]

約数ペア:

[(1, 255288720), (2, 127644360), (3, 85096240), (4, 63822180), (5, 51057744), (6, 42548120), (8, 31911090), (10, 25528872), (12, 21274060), (15, 17019248), (16, 15955545), (20, 12764436), (24, 10637030), (30, 8509624), (31, 8235120), (40, 6382218), (48, 5318515), (60, 4254812), (62, 4117560), (80, 3191109), (93, 2745040), (120, 2127406), (124, 2058780), (155, 1647024), (186, 1372520), (240, 1063703), (248, 1029390), (310, 823512), (372, 686260), (465, 549008), (496, 514695), (620, 411756), (744, 343130), (930, 274504), (1240, 205878), (1488, 171565), (1860, 137252), (2480, 102939), (3720, 68626), (7440, 34313)]