399734160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1838

約数の個数: 240

約数和(自身を含む): 1518206400

約数和(自身を除く): 1118472240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 490, 532, 560, 570, 588, 665, 735, 760, 784, 798, 840, 912, 931, 980, 1064, 1140, 1176, 1330, 1470, 1520, 1596, 1680, 1789, 1862, 1960, 1995, 2128, 2280, 2352, 2660, 2793, 2940, 3192, 3578, 3724, 3920, 3990, 4560, 4655, 5320, 5367, 5586, 5880, 6384, 7156, 7448, 7980, 8945, 9310, 10640, 10734, 11172, 11760, 12523, 13965, 14312, 14896, 15960, 17890, 18620, 21468, 22344, 25046, 26835, 27930, 28624, 31920, 33991, 35780, 37240, 37569, 42936, 44688, 50092, 53670, 55860, 62615, 67982, 71560, 74480, 75138, 85872, 87661, 100184, 101973, 107340, 111720, 125230, 135964, 143120, 150276, 169955, 175322, 187845, 200368, 203946, 214680, 223440, 237937, 250460, 262983, 271928, 300552, 339910, 350644, 375690, 407892, 429360, 438305, 475874, 500920, 509865, 525966, 543856, 601104, 679820, 701288, 713811, 751380, 815784, 876610, 951748, 1001840, 1019730, 1051932, 1189685, 1314915, 1359640, 1402576, 1427622, 1502760, 1631568, 1665559, 1753220, 1903496, 2039460, 2103864, 2379370, 2629830, 2719280, 2855244, 3005520, 3331118, 3506440, 3569055, 3806992, 4078920, 4207728, 4758740, 4996677, 5259660, 5710488, 6662236, 7012880, 7138110, 8157840, 8327795, 9517480, 9993354, 10519320, 11420976, 13324472, 14276220, 16655590, 19034960, 19986708, 21038640, 24983385, 26648944, 28552440, 33311180, 39973416, 49966770, 57104880, 66622360, 79946832, 99933540, 133244720, 199867080, 399734160]

約数ペア:

[(1, 399734160), (2, 199867080), (3, 133244720), (4, 99933540), (5, 79946832), (6, 66622360), (7, 57104880), (8, 49966770), (10, 39973416), (12, 33311180), (14, 28552440), (15, 26648944), (16, 24983385), (19, 21038640), (20, 19986708), (21, 19034960), (24, 16655590), (28, 14276220), (30, 13324472), (35, 11420976), (38, 10519320), (40, 9993354), (42, 9517480), (48, 8327795), (49, 8157840), (56, 7138110), (57, 7012880), (60, 6662236), (70, 5710488), (76, 5259660), (80, 4996677), (84, 4758740), (95, 4207728), (98, 4078920), (105, 3806992), (112, 3569055), (114, 3506440), (120, 3331118), (133, 3005520), (140, 2855244), (147, 2719280), (152, 2629830), (168, 2379370), (190, 2103864), (196, 2039460), (210, 1903496), (228, 1753220), (240, 1665559), (245, 1631568), (266, 1502760), (280, 1427622), (285, 1402576), (294, 1359640), (304, 1314915), (336, 1189685), (380, 1051932), (392, 1019730), (399, 1001840), (420, 951748), (456, 876610), (490, 815784), (532, 751380), (560, 713811), (570, 701288), (588, 679820), (665, 601104), (735, 543856), (760, 525966), (784, 509865), (798, 500920), (840, 475874), (912, 438305), (931, 429360), (980, 407892), (1064, 375690), (1140, 350644), (1176, 339910), (1330, 300552), (1470, 271928), (1520, 262983), (1596, 250460), (1680, 237937), (1789, 223440), (1862, 214680), (1960, 203946), (1995, 200368), (2128, 187845), (2280, 175322), (2352, 169955), (2660, 150276), (2793, 143120), (2940, 135964), (3192, 125230), (3578, 111720), (3724, 107340), (3920, 101973), (3990, 100184), (4560, 87661), (4655, 85872), (5320, 75138), (5367, 74480), (5586, 71560), (5880, 67982), (6384, 62615), (7156, 55860), (7448, 53670), (7980, 50092), (8945, 44688), (9310, 42936), (10640, 37569), (10734, 37240), (11172, 35780), (11760, 33991), (12523, 31920), (13965, 28624), (14312, 27930), (14896, 26835), (15960, 25046), (17890, 22344), (18620, 21468)]