255734640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{50741}}^1$

素因数の和:50767

約数の個数: 120

約数和(自身を含む): 981553248

約数和(自身を除く): 725818608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 50741, 101482, 152223, 202964, 253705, 304446, 355187, 405928, 456669, 507410, 608892, 710374, 761115, 811856, 913338, 1014820, 1065561, 1217784, 1420748, 1522230, 1775935, 1826676, 2029640, 2131122, 2283345, 2435568, 2841496, 3044460, 3196683, 3551870, 3653352, 4059280, 4262244, 4566690, 5327805, 5682992, 6088920, 6393366, 7103740, 7306704, 8524488, 9133380, 10655610, 12177840, 12786732, 14207480, 15983415, 17048976, 18266760, 21311220, 25573464, 28414960, 31966830, 36533520, 42622440, 51146928, 63933660, 85244880, 127867320, 255734640]

約数ペア:

[(1, 255734640), (2, 127867320), (3, 85244880), (4, 63933660), (5, 51146928), (6, 42622440), (7, 36533520), (8, 31966830), (9, 28414960), (10, 25573464), (12, 21311220), (14, 18266760), (15, 17048976), (16, 15983415), (18, 14207480), (20, 12786732), (21, 12177840), (24, 10655610), (28, 9133380), (30, 8524488), (35, 7306704), (36, 7103740), (40, 6393366), (42, 6088920), (45, 5682992), (48, 5327805), (56, 4566690), (60, 4262244), (63, 4059280), (70, 3653352), (72, 3551870), (80, 3196683), (84, 3044460), (90, 2841496), (105, 2435568), (112, 2283345), (120, 2131122), (126, 2029640), (140, 1826676), (144, 1775935), (168, 1522230), (180, 1420748), (210, 1217784), (240, 1065561), (252, 1014820), (280, 913338), (315, 811856), (336, 761115), (360, 710374), (420, 608892), (504, 507410), (560, 456669), (630, 405928), (720, 355187), (840, 304446), (1008, 253705), (1260, 202964), (1680, 152223), (2520, 101482), (5040, 50741)]