256794720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5879}}^1$

素因数の和:5917

約数の個数: 192

約数和(自身を含む): 995742720

約数和(自身を除く): 738948000

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, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 4368, 5460, 5879, 6240, 7280, 8736, 10920, 11758, 14560, 17637, 21840, 23516, 29395, 35274, 41153, 43680, 47032, 58790, 70548, 76427, 82306, 88185, 94064, 117580, 123459, 141096, 152854, 164612, 176370, 188128, 205765, 229281, 235160, 246918, 282192, 305708, 329224, 352740, 382135, 411530, 458562, 470320, 493836, 534989, 564384, 611416, 617295, 658448, 705480, 764270, 823060, 917124, 940640, 987672, 1069978, 1146405, 1222832, 1234590, 1316896, 1410960, 1528540, 1604967, 1646120, 1834248, 1975344, 2139956, 2292810, 2445664, 2469180, 2674945, 2821920, 3057080, 3209934, 3292240, 3668496, 3950688, 4279912, 4585620, 4938360, 5349890, 6114160, 6419868, 6584480, 7336992, 8024835, 8559824, 9171240, 9876720, 10699780, 12228320, 12839736, 16049670, 17119648, 18342480, 19753440, 21399560, 25679472, 32099340, 36684960, 42799120, 51358944, 64198680, 85598240, 128397360, 256794720]

約数ペア:

[(1, 256794720), (2, 128397360), (3, 85598240), (4, 64198680), (5, 51358944), (6, 42799120), (7, 36684960), (8, 32099340), (10, 25679472), (12, 21399560), (13, 19753440), (14, 18342480), (15, 17119648), (16, 16049670), (20, 12839736), (21, 12228320), (24, 10699780), (26, 9876720), (28, 9171240), (30, 8559824), (32, 8024835), (35, 7336992), (39, 6584480), (40, 6419868), (42, 6114160), (48, 5349890), (52, 4938360), (56, 4585620), (60, 4279912), (65, 3950688), (70, 3668496), (78, 3292240), (80, 3209934), (84, 3057080), (91, 2821920), (96, 2674945), (104, 2469180), (105, 2445664), (112, 2292810), (120, 2139956), (130, 1975344), (140, 1834248), (156, 1646120), (160, 1604967), (168, 1528540), (182, 1410960), (195, 1316896), (208, 1234590), (210, 1222832), (224, 1146405), (240, 1069978), (260, 987672), (273, 940640), (280, 917124), (312, 823060), (336, 764270), (364, 705480), (390, 658448), (416, 617295), (420, 611416), (455, 564384), (480, 534989), (520, 493836), (546, 470320), (560, 458562), (624, 411530), (672, 382135), (728, 352740), (780, 329224), (840, 305708), (910, 282192), (1040, 246918), (1092, 235160), (1120, 229281), (1248, 205765), (1365, 188128), (1456, 176370), (1560, 164612), (1680, 152854), (1820, 141096), (2080, 123459), (2184, 117580), (2730, 94064), (2912, 88185), (3120, 82306), (3360, 76427), (3640, 70548), (4368, 58790), (5460, 47032), (5879, 43680), (6240, 41153), (7280, 35274), (8736, 29395), (10920, 23516), (11758, 21840), (14560, 17637)]