123523840

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 334365696

約数和(自身を除く): 210841856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 283, 310, 320, 341, 352, 440, 496, 566, 620, 640, 682, 704, 880, 992, 1132, 1240, 1280, 1364, 1408, 1415, 1705, 1760, 1984, 2264, 2480, 2728, 2816, 2830, 3113, 3410, 3520, 3968, 4528, 4960, 5456, 5660, 6226, 6820, 7040, 7936, 8773, 9056, 9920, 10912, 11320, 12452, 13640, 14080, 15565, 17546, 18112, 19840, 21824, 22640, 24904, 27280, 31130, 35092, 36224, 39680, 43648, 43865, 45280, 49808, 54560, 62260, 70184, 72448, 87296, 87730, 90560, 96503, 99616, 109120, 124520, 140368, 175460, 181120, 193006, 199232, 218240, 249040, 280736, 350920, 362240, 386012, 398464, 436480, 482515, 498080, 561472, 701840, 772024, 796928, 965030, 996160, 1122944, 1403680, 1544048, 1930060, 1992320, 2245888, 2807360, 3088096, 3860120, 3984640, 5614720, 6176192, 7720240, 11229440, 12352384, 15440480, 24704768, 30880960, 61761920, 123523840]

約数ペア:

[(1, 123523840), (2, 61761920), (4, 30880960), (5, 24704768), (8, 15440480), (10, 12352384), (11, 11229440), (16, 7720240), (20, 6176192), (22, 5614720), (31, 3984640), (32, 3860120), (40, 3088096), (44, 2807360), (55, 2245888), (62, 1992320), (64, 1930060), (80, 1544048), (88, 1403680), (110, 1122944), (124, 996160), (128, 965030), (155, 796928), (160, 772024), (176, 701840), (220, 561472), (248, 498080), (256, 482515), (283, 436480), (310, 398464), (320, 386012), (341, 362240), (352, 350920), (440, 280736), (496, 249040), (566, 218240), (620, 199232), (640, 193006), (682, 181120), (704, 175460), (880, 140368), (992, 124520), (1132, 109120), (1240, 99616), (1280, 96503), (1364, 90560), (1408, 87730), (1415, 87296), (1705, 72448), (1760, 70184), (1984, 62260), (2264, 54560), (2480, 49808), (2728, 45280), (2816, 43865), (2830, 43648), (3113, 39680), (3410, 36224), (3520, 35092), (3968, 31130), (4528, 27280), (4960, 24904), (5456, 22640), (5660, 21824), (6226, 19840), (6820, 18112), (7040, 17546), (7936, 15565), (8773, 14080), (9056, 13640), (9920, 12452), (10912, 11320)]