655520640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:305

約数の個数: 256

約数和(自身を含む): 2208340800

約数和(自身を除く): 1552820160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 61, 64, 80, 87, 96, 116, 120, 122, 128, 145, 160, 174, 183, 192, 193, 232, 240, 244, 290, 305, 320, 348, 366, 384, 386, 435, 464, 480, 488, 579, 580, 610, 640, 696, 732, 772, 870, 915, 928, 960, 965, 976, 1158, 1160, 1220, 1392, 1464, 1544, 1740, 1769, 1830, 1856, 1920, 1930, 1952, 2316, 2320, 2440, 2784, 2895, 2928, 3088, 3480, 3538, 3660, 3712, 3860, 3904, 4632, 4640, 4880, 5307, 5568, 5597, 5790, 5856, 6176, 6960, 7076, 7320, 7720, 7808, 8845, 9264, 9280, 9760, 10614, 11136, 11194, 11580, 11712, 11773, 12352, 13920, 14152, 14640, 15440, 16791, 17690, 18528, 18560, 19520, 21228, 22388, 23160, 23424, 23546, 24704, 26535, 27840, 27985, 28304, 29280, 30880, 33582, 35319, 35380, 37056, 39040, 42456, 44776, 46320, 47092, 53070, 55680, 55970, 56608, 58560, 58865, 61760, 67164, 70638, 70760, 74112, 83955, 84912, 89552, 92640, 94184, 106140, 111940, 113216, 117120, 117730, 123520, 134328, 141276, 141520, 167910, 169824, 176595, 179104, 185280, 188368, 212280, 223880, 226432, 235460, 268656, 282552, 283040, 335820, 339648, 341417, 353190, 358208, 370560, 376736, 424560, 447760, 470920, 537312, 565104, 566080, 671640, 679296, 682834, 706380, 716416, 753472, 849120, 895520, 941840, 1024251, 1074624, 1130208, 1132160, 1343280, 1365668, 1412760, 1506944, 1698240, 1707085, 1791040, 1883680, 2048502, 2149248, 2260416, 2686560, 2731336, 2825520, 3396480, 3414170, 3582080, 3767360, 4097004, 4520832, 5121255, 5373120, 5462672, 5651040, 6828340, 7534720, 8194008, 10242510, 10746240, 10925344, 11302080, 13656680, 16388016, 20485020, 21850688, 22604160, 27313360, 32776032, 40970040, 43701376, 54626720, 65552064, 81940080, 109253440, 131104128, 163880160, 218506880, 327760320, 655520640]

約数ペア:

[(1, 655520640), (2, 327760320), (3, 218506880), (4, 163880160), (5, 131104128), (6, 109253440), (8, 81940080), (10, 65552064), (12, 54626720), (15, 43701376), (16, 40970040), (20, 32776032), (24, 27313360), (29, 22604160), (30, 21850688), (32, 20485020), (40, 16388016), (48, 13656680), (58, 11302080), (60, 10925344), (61, 10746240), (64, 10242510), (80, 8194008), (87, 7534720), (96, 6828340), (116, 5651040), (120, 5462672), (122, 5373120), (128, 5121255), (145, 4520832), (160, 4097004), (174, 3767360), (183, 3582080), (192, 3414170), (193, 3396480), (232, 2825520), (240, 2731336), (244, 2686560), (290, 2260416), (305, 2149248), (320, 2048502), (348, 1883680), (366, 1791040), (384, 1707085), (386, 1698240), (435, 1506944), (464, 1412760), (480, 1365668), (488, 1343280), (579, 1132160), (580, 1130208), (610, 1074624), (640, 1024251), (696, 941840), (732, 895520), (772, 849120), (870, 753472), (915, 716416), (928, 706380), (960, 682834), (965, 679296), (976, 671640), (1158, 566080), (1160, 565104), (1220, 537312), (1392, 470920), (1464, 447760), (1544, 424560), (1740, 376736), (1769, 370560), (1830, 358208), (1856, 353190), (1920, 341417), (1930, 339648), (1952, 335820), (2316, 283040), (2320, 282552), (2440, 268656), (2784, 235460), (2895, 226432), (2928, 223880), (3088, 212280), (3480, 188368), (3538, 185280), (3660, 179104), (3712, 176595), (3860, 169824), (3904, 167910), (4632, 141520), (4640, 141276), (4880, 134328), (5307, 123520), (5568, 117730), (5597, 117120), (5790, 113216), (5856, 111940), (6176, 106140), (6960, 94184), (7076, 92640), (7320, 89552), (7720, 84912), (7808, 83955), (8845, 74112), (9264, 70760), (9280, 70638), (9760, 67164), (10614, 61760), (11136, 58865), (11194, 58560), (11580, 56608), (11712, 55970), (11773, 55680), (12352, 53070), (13920, 47092), (14152, 46320), (14640, 44776), (15440, 42456), (16791, 39040), (17690, 37056), (18528, 35380), (18560, 35319), (19520, 33582), (21228, 30880), (22388, 29280), (23160, 28304), (23424, 27985), (23546, 27840), (24704, 26535)]