256560960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:321

約数の個数: 224

約数和(自身を含む): 867290112

約数和(自身を除く): 610729152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 37, 40, 48, 60, 62, 64, 74, 80, 93, 96, 111, 120, 124, 148, 155, 160, 185, 186, 192, 222, 233, 240, 248, 296, 310, 320, 370, 372, 444, 465, 466, 480, 496, 555, 592, 620, 699, 740, 744, 888, 930, 932, 960, 992, 1110, 1147, 1165, 1184, 1240, 1398, 1480, 1488, 1776, 1860, 1864, 1984, 2220, 2294, 2330, 2368, 2480, 2796, 2960, 2976, 3441, 3495, 3552, 3720, 3728, 4440, 4588, 4660, 4960, 5592, 5735, 5920, 5952, 6882, 6990, 7104, 7223, 7440, 7456, 8621, 8880, 9176, 9320, 9920, 11184, 11470, 11840, 13764, 13980, 14446, 14880, 14912, 17205, 17242, 17760, 18352, 18640, 21669, 22368, 22940, 25863, 27528, 27960, 28892, 29760, 34410, 34484, 35520, 36115, 36704, 37280, 43105, 43338, 44736, 45880, 51726, 55056, 55920, 57784, 68820, 68968, 72230, 73408, 74560, 86210, 86676, 91760, 103452, 108345, 110112, 111840, 115568, 129315, 137640, 137936, 144460, 172420, 173352, 183520, 206904, 216690, 220224, 223680, 231136, 258630, 267251, 275280, 275872, 288920, 344840, 346704, 367040, 413808, 433380, 462272, 517260, 534502, 550560, 551744, 577840, 689680, 693408, 801753, 827616, 866760, 1034520, 1069004, 1101120, 1155680, 1336255, 1379360, 1386816, 1603506, 1655232, 1733520, 2069040, 2138008, 2311360, 2672510, 2758720, 3207012, 3467040, 4008765, 4138080, 4276016, 5345020, 6414024, 6934080, 8017530, 8276160, 8552032, 10690040, 12828048, 16035060, 17104064, 21380080, 25656096, 32070120, 42760160, 51312192, 64140240, 85520320, 128280480, 256560960]

約数ペア:

[(1, 256560960), (2, 128280480), (3, 85520320), (4, 64140240), (5, 51312192), (6, 42760160), (8, 32070120), (10, 25656096), (12, 21380080), (15, 17104064), (16, 16035060), (20, 12828048), (24, 10690040), (30, 8552032), (31, 8276160), (32, 8017530), (37, 6934080), (40, 6414024), (48, 5345020), (60, 4276016), (62, 4138080), (64, 4008765), (74, 3467040), (80, 3207012), (93, 2758720), (96, 2672510), (111, 2311360), (120, 2138008), (124, 2069040), (148, 1733520), (155, 1655232), (160, 1603506), (185, 1386816), (186, 1379360), (192, 1336255), (222, 1155680), (233, 1101120), (240, 1069004), (248, 1034520), (296, 866760), (310, 827616), (320, 801753), (370, 693408), (372, 689680), (444, 577840), (465, 551744), (466, 550560), (480, 534502), (496, 517260), (555, 462272), (592, 433380), (620, 413808), (699, 367040), (740, 346704), (744, 344840), (888, 288920), (930, 275872), (932, 275280), (960, 267251), (992, 258630), (1110, 231136), (1147, 223680), (1165, 220224), (1184, 216690), (1240, 206904), (1398, 183520), (1480, 173352), (1488, 172420), (1776, 144460), (1860, 137936), (1864, 137640), (1984, 129315), (2220, 115568), (2294, 111840), (2330, 110112), (2368, 108345), (2480, 103452), (2796, 91760), (2960, 86676), (2976, 86210), (3441, 74560), (3495, 73408), (3552, 72230), (3720, 68968), (3728, 68820), (4440, 57784), (4588, 55920), (4660, 55056), (4960, 51726), (5592, 45880), (5735, 44736), (5920, 43338), (5952, 43105), (6882, 37280), (6990, 36704), (7104, 36115), (7223, 35520), (7440, 34484), (7456, 34410), (8621, 29760), (8880, 28892), (9176, 27960), (9320, 27528), (9920, 25863), (11184, 22940), (11470, 22368), (11840, 21669), (13764, 18640), (13980, 18352), (14446, 17760), (14880, 17242), (14912, 17205)]