140820120

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{887}}^1$

素因数の和:924

約数の個数: 240

約数和(自身を含む): 551208240

約数和(自身を除く): 410388120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 887, 945, 980, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1620, 1764, 1774, 1890, 1960, 2205, 2268, 2520, 2646, 2661, 2835, 2940, 3240, 3528, 3548, 3780, 3969, 4410, 4435, 4536, 5292, 5322, 5670, 5880, 6209, 6615, 7096, 7560, 7938, 7983, 8820, 8870, 10584, 10644, 11340, 12418, 13230, 13305, 15876, 15966, 17640, 17740, 18627, 19845, 21288, 22680, 23949, 24836, 26460, 26610, 31045, 31752, 31932, 35480, 37254, 39690, 39915, 43463, 47898, 49672, 52920, 53220, 55881, 62090, 63864, 71847, 74508, 79380, 79830, 86926, 93135, 95796, 106440, 111762, 119745, 124180, 130389, 143694, 149016, 158760, 159660, 167643, 173852, 186270, 191592, 217315, 223524, 239490, 248360, 260778, 279405, 287388, 319320, 335286, 347704, 359235, 372540, 391167, 434630, 447048, 478980, 502929, 521556, 558810, 574776, 651945, 670572, 718470, 745080, 782334, 838215, 869260, 957960, 1005858, 1043112, 1117620, 1173501, 1303890, 1341144, 1436940, 1564668, 1676430, 1738520, 1955835, 2011716, 2235240, 2347002, 2514645, 2607780, 2873880, 3129336, 3352860, 3520503, 3911670, 4023432, 4694004, 5029290, 5215560, 5867505, 6705720, 7041006, 7823340, 9388008, 10058580, 11735010, 14082012, 15646680, 17602515, 20117160, 23470020, 28164024, 35205030, 46940040, 70410060, 140820120]

約数ペア:

[(1, 140820120), (2, 70410060), (3, 46940040), (4, 35205030), (5, 28164024), (6, 23470020), (7, 20117160), (8, 17602515), (9, 15646680), (10, 14082012), (12, 11735010), (14, 10058580), (15, 9388008), (18, 7823340), (20, 7041006), (21, 6705720), (24, 5867505), (27, 5215560), (28, 5029290), (30, 4694004), (35, 4023432), (36, 3911670), (40, 3520503), (42, 3352860), (45, 3129336), (49, 2873880), (54, 2607780), (56, 2514645), (60, 2347002), (63, 2235240), (70, 2011716), (72, 1955835), (81, 1738520), (84, 1676430), (90, 1564668), (98, 1436940), (105, 1341144), (108, 1303890), (120, 1173501), (126, 1117620), (135, 1043112), (140, 1005858), (147, 957960), (162, 869260), (168, 838215), (180, 782334), (189, 745080), (196, 718470), (210, 670572), (216, 651945), (245, 574776), (252, 558810), (270, 521556), (280, 502929), (294, 478980), (315, 447048), (324, 434630), (360, 391167), (378, 372540), (392, 359235), (405, 347704), (420, 335286), (441, 319320), (490, 287388), (504, 279405), (540, 260778), (567, 248360), (588, 239490), (630, 223524), (648, 217315), (735, 191592), (756, 186270), (810, 173852), (840, 167643), (882, 159660), (887, 158760), (945, 149016), (980, 143694), (1080, 130389), (1134, 124180), (1176, 119745), (1260, 111762), (1323, 106440), (1470, 95796), (1512, 93135), (1620, 86926), (1764, 79830), (1774, 79380), (1890, 74508), (1960, 71847), (2205, 63864), (2268, 62090), (2520, 55881), (2646, 53220), (2661, 52920), (2835, 49672), (2940, 47898), (3240, 43463), (3528, 39915), (3548, 39690), (3780, 37254), (3969, 35480), (4410, 31932), (4435, 31752), (4536, 31045), (5292, 26610), (5322, 26460), (5670, 24836), (5880, 23949), (6209, 22680), (6615, 21288), (7096, 19845), (7560, 18627), (7938, 17740), (7983, 17640), (8820, 15966), (8870, 15876), (10584, 13305), (10644, 13230), (11340, 12418)]