255731520

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1$

素因数の和:489

約数の個数: 224

約数和(自身を含む): 902549376

約数和(自身を除く): 646817856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 61, 64, 66, 80, 88, 96, 110, 120, 122, 132, 160, 165, 176, 183, 192, 220, 240, 244, 264, 305, 320, 330, 352, 366, 397, 440, 480, 488, 528, 610, 660, 671, 704, 732, 794, 880, 915, 960, 976, 1056, 1191, 1220, 1320, 1342, 1464, 1588, 1760, 1830, 1952, 1985, 2013, 2112, 2382, 2440, 2640, 2684, 2928, 3176, 3355, 3520, 3660, 3904, 3970, 4026, 4367, 4764, 4880, 5280, 5368, 5856, 5955, 6352, 6710, 7320, 7940, 8052, 8734, 9528, 9760, 10065, 10560, 10736, 11712, 11910, 12704, 13101, 13420, 14640, 15880, 16104, 17468, 19056, 19520, 20130, 21472, 21835, 23820, 24217, 25408, 26202, 26840, 29280, 31760, 32208, 34936, 38112, 40260, 42944, 43670, 47640, 48434, 52404, 53680, 58560, 63520, 64416, 65505, 69872, 72651, 76224, 80520, 87340, 95280, 96868, 104808, 107360, 121085, 127040, 128832, 131010, 139744, 145302, 161040, 174680, 190560, 193736, 209616, 214720, 242170, 262020, 266387, 279488, 290604, 322080, 349360, 363255, 381120, 387472, 419232, 484340, 524040, 532774, 581208, 644160, 698720, 726510, 774944, 799161, 838464, 968680, 1048080, 1065548, 1162416, 1331935, 1397440, 1453020, 1549888, 1598322, 1937360, 2096160, 2131096, 2324832, 2663870, 2906040, 3196644, 3874720, 3995805, 4192320, 4262192, 4649664, 5327740, 5812080, 6393288, 7749440, 7991610, 8524384, 10655480, 11624160, 12786576, 15983220, 17048768, 21310960, 23248320, 25573152, 31966440, 42621920, 51146304, 63932880, 85243840, 127865760, 255731520]

約数ペア:

[(1, 255731520), (2, 127865760), (3, 85243840), (4, 63932880), (5, 51146304), (6, 42621920), (8, 31966440), (10, 25573152), (11, 23248320), (12, 21310960), (15, 17048768), (16, 15983220), (20, 12786576), (22, 11624160), (24, 10655480), (30, 8524384), (32, 7991610), (33, 7749440), (40, 6393288), (44, 5812080), (48, 5327740), (55, 4649664), (60, 4262192), (61, 4192320), (64, 3995805), (66, 3874720), (80, 3196644), (88, 2906040), (96, 2663870), (110, 2324832), (120, 2131096), (122, 2096160), (132, 1937360), (160, 1598322), (165, 1549888), (176, 1453020), (183, 1397440), (192, 1331935), (220, 1162416), (240, 1065548), (244, 1048080), (264, 968680), (305, 838464), (320, 799161), (330, 774944), (352, 726510), (366, 698720), (397, 644160), (440, 581208), (480, 532774), (488, 524040), (528, 484340), (610, 419232), (660, 387472), (671, 381120), (704, 363255), (732, 349360), (794, 322080), (880, 290604), (915, 279488), (960, 266387), (976, 262020), (1056, 242170), (1191, 214720), (1220, 209616), (1320, 193736), (1342, 190560), (1464, 174680), (1588, 161040), (1760, 145302), (1830, 139744), (1952, 131010), (1985, 128832), (2013, 127040), (2112, 121085), (2382, 107360), (2440, 104808), (2640, 96868), (2684, 95280), (2928, 87340), (3176, 80520), (3355, 76224), (3520, 72651), (3660, 69872), (3904, 65505), (3970, 64416), (4026, 63520), (4367, 58560), (4764, 53680), (4880, 52404), (5280, 48434), (5368, 47640), (5856, 43670), (5955, 42944), (6352, 40260), (6710, 38112), (7320, 34936), (7940, 32208), (8052, 31760), (8734, 29280), (9528, 26840), (9760, 26202), (10065, 25408), (10560, 24217), (10736, 23820), (11712, 21835), (11910, 21472), (12704, 20130), (13101, 19520), (13420, 19056), (14640, 17468), (15880, 16104)]