128724960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:466

約数の個数: 288

約数和(自身を含む): 509175072

約数和(自身を除く): 380450112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 98, 104, 105, 112, 120, 130, 140, 147, 156, 160, 168, 182, 195, 196, 208, 210, 224, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 416, 420, 421, 455, 480, 490, 520, 546, 560, 588, 624, 637, 672, 728, 735, 780, 784, 840, 842, 910, 980, 1040, 1092, 1120, 1176, 1248, 1263, 1274, 1365, 1456, 1470, 1560, 1568, 1680, 1684, 1820, 1911, 1960, 2080, 2105, 2184, 2352, 2526, 2548, 2730, 2912, 2940, 2947, 3120, 3185, 3360, 3368, 3640, 3822, 3920, 4210, 4368, 4704, 5052, 5096, 5460, 5473, 5880, 5894, 6240, 6315, 6370, 6736, 7280, 7644, 7840, 8420, 8736, 8841, 9555, 10104, 10192, 10920, 10946, 11760, 11788, 12630, 12740, 13472, 14560, 14735, 15288, 16419, 16840, 17682, 19110, 20208, 20384, 20629, 21840, 21892, 23520, 23576, 25260, 25480, 27365, 29470, 30576, 32838, 33680, 35364, 38220, 38311, 40416, 41258, 43680, 43784, 44205, 47152, 50520, 50960, 54730, 58940, 61152, 61887, 65676, 67360, 70728, 76440, 76622, 82095, 82516, 87568, 88410, 94304, 101040, 101920, 103145, 109460, 114933, 117880, 123774, 131352, 141456, 152880, 153244, 164190, 165032, 175136, 176820, 191555, 202080, 206290, 218920, 229866, 235760, 247548, 262704, 268177, 282912, 305760, 306488, 309435, 328380, 330064, 353640, 383110, 412580, 437840, 459732, 471520, 495096, 525408, 536354, 574665, 612976, 618870, 656760, 660128, 707280, 766220, 804531, 825160, 875680, 919464, 990192, 1072708, 1149330, 1225952, 1237740, 1313520, 1340885, 1414560, 1532440, 1609062, 1650320, 1838928, 1980384, 2145416, 2298660, 2475480, 2627040, 2681770, 3064880, 3218124, 3300640, 3677856, 4022655, 4290832, 4597320, 4950960, 5363540, 6129760, 6436248, 8045310, 8581664, 9194640, 9901920, 10727080, 12872496, 16090620, 18389280, 21454160, 25744992, 32181240, 42908320, 64362480, 128724960]

約数ペア:

[(1, 128724960), (2, 64362480), (3, 42908320), (4, 32181240), (5, 25744992), (6, 21454160), (7, 18389280), (8, 16090620), (10, 12872496), (12, 10727080), (13, 9901920), (14, 9194640), (15, 8581664), (16, 8045310), (20, 6436248), (21, 6129760), (24, 5363540), (26, 4950960), (28, 4597320), (30, 4290832), (32, 4022655), (35, 3677856), (39, 3300640), (40, 3218124), (42, 3064880), (48, 2681770), (49, 2627040), (52, 2475480), (56, 2298660), (60, 2145416), (65, 1980384), (70, 1838928), (78, 1650320), (80, 1609062), (84, 1532440), (91, 1414560), (96, 1340885), (98, 1313520), (104, 1237740), (105, 1225952), (112, 1149330), (120, 1072708), (130, 990192), (140, 919464), (147, 875680), (156, 825160), (160, 804531), (168, 766220), (182, 707280), (195, 660128), (196, 656760), (208, 618870), (210, 612976), (224, 574665), (240, 536354), (245, 525408), (260, 495096), (273, 471520), (280, 459732), (294, 437840), (312, 412580), (336, 383110), (364, 353640), (390, 330064), (392, 328380), (416, 309435), (420, 306488), (421, 305760), (455, 282912), (480, 268177), (490, 262704), (520, 247548), (546, 235760), (560, 229866), (588, 218920), (624, 206290), (637, 202080), (672, 191555), (728, 176820), (735, 175136), (780, 165032), (784, 164190), (840, 153244), (842, 152880), (910, 141456), (980, 131352), (1040, 123774), (1092, 117880), (1120, 114933), (1176, 109460), (1248, 103145), (1263, 101920), (1274, 101040), (1365, 94304), (1456, 88410), (1470, 87568), (1560, 82516), (1568, 82095), (1680, 76622), (1684, 76440), (1820, 70728), (1911, 67360), (1960, 65676), (2080, 61887), (2105, 61152), (2184, 58940), (2352, 54730), (2526, 50960), (2548, 50520), (2730, 47152), (2912, 44205), (2940, 43784), (2947, 43680), (3120, 41258), (3185, 40416), (3360, 38311), (3368, 38220), (3640, 35364), (3822, 33680), (3920, 32838), (4210, 30576), (4368, 29470), (4704, 27365), (5052, 25480), (5096, 25260), (5460, 23576), (5473, 23520), (5880, 21892), (5894, 21840), (6240, 20629), (6315, 20384), (6370, 20208), (6736, 19110), (7280, 17682), (7644, 16840), (7840, 16419), (8420, 15288), (8736, 14735), (8841, 14560), (9555, 13472), (10104, 12740), (10192, 12630), (10920, 11788), (10946, 11760)]