1256252160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 216

約数和(自身を含む): 4165958160

約数和(自身を除く): 2909706000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 128, 145, 160, 174, 192, 232, 240, 256, 290, 320, 348, 384, 389, 435, 464, 480, 580, 640, 696, 768, 778, 841, 870, 928, 960, 1160, 1167, 1280, 1392, 1556, 1682, 1740, 1856, 1920, 1945, 2320, 2334, 2523, 2784, 3112, 3364, 3480, 3712, 3840, 3890, 4205, 4640, 4668, 5046, 5568, 5835, 6224, 6728, 6960, 7424, 7780, 8410, 9280, 9336, 10092, 11136, 11281, 11670, 12448, 12615, 13456, 13920, 15560, 16820, 18560, 18672, 20184, 22272, 22562, 23340, 24896, 25230, 26912, 27840, 31120, 33640, 33843, 37120, 37344, 40368, 45124, 46680, 49792, 50460, 53824, 55680, 56405, 62240, 67280, 67686, 74688, 80736, 90248, 93360, 99584, 100920, 107648, 111360, 112810, 124480, 134560, 135372, 149376, 161472, 169215, 180496, 186720, 201840, 215296, 225620, 248960, 269120, 270744, 298752, 322944, 327149, 338430, 360992, 373440, 403680, 451240, 497920, 538240, 541488, 645888, 654298, 676860, 721984, 746880, 807360, 902480, 981447, 1076480, 1082976, 1308596, 1353720, 1443968, 1493760, 1614720, 1635745, 1804960, 1962894, 2165952, 2617192, 2707440, 2887936, 3229440, 3271490, 3609920, 3925788, 4331904, 4907235, 5234384, 5414880, 6542980, 7219840, 7851576, 8663808, 9814470, 10468768, 10829760, 13085960, 14439680, 15703152, 19628940, 20937536, 21659520, 26171920, 31406304, 39257880, 41875072, 43319040, 52343840, 62812608, 78515760, 83750144, 104687680, 125625216, 157031520, 209375360, 251250432, 314063040, 418750720, 628126080, 1256252160]

約数ペア:

[(1, 1256252160), (2, 628126080), (3, 418750720), (4, 314063040), (5, 251250432), (6, 209375360), (8, 157031520), (10, 125625216), (12, 104687680), (15, 83750144), (16, 78515760), (20, 62812608), (24, 52343840), (29, 43319040), (30, 41875072), (32, 39257880), (40, 31406304), (48, 26171920), (58, 21659520), (60, 20937536), (64, 19628940), (80, 15703152), (87, 14439680), (96, 13085960), (116, 10829760), (120, 10468768), (128, 9814470), (145, 8663808), (160, 7851576), (174, 7219840), (192, 6542980), (232, 5414880), (240, 5234384), (256, 4907235), (290, 4331904), (320, 3925788), (348, 3609920), (384, 3271490), (389, 3229440), (435, 2887936), (464, 2707440), (480, 2617192), (580, 2165952), (640, 1962894), (696, 1804960), (768, 1635745), (778, 1614720), (841, 1493760), (870, 1443968), (928, 1353720), (960, 1308596), (1160, 1082976), (1167, 1076480), (1280, 981447), (1392, 902480), (1556, 807360), (1682, 746880), (1740, 721984), (1856, 676860), (1920, 654298), (1945, 645888), (2320, 541488), (2334, 538240), (2523, 497920), (2784, 451240), (3112, 403680), (3364, 373440), (3480, 360992), (3712, 338430), (3840, 327149), (3890, 322944), (4205, 298752), (4640, 270744), (4668, 269120), (5046, 248960), (5568, 225620), (5835, 215296), (6224, 201840), (6728, 186720), (6960, 180496), (7424, 169215), (7780, 161472), (8410, 149376), (9280, 135372), (9336, 134560), (10092, 124480), (11136, 112810), (11281, 111360), (11670, 107648), (12448, 100920), (12615, 99584), (13456, 93360), (13920, 90248), (15560, 80736), (16820, 74688), (18560, 67686), (18672, 67280), (20184, 62240), (22272, 56405), (22562, 55680), (23340, 53824), (24896, 50460), (25230, 49792), (26912, 46680), (27840, 45124), (31120, 40368), (33640, 37344), (33843, 37120)]