247818480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1621}}^1$

素因数の和:1664

約数の個数: 240

約数和(自身を含む): 963000864

約数和(自身を除く): 715182384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 910, 980, 1040, 1092, 1176, 1274, 1365, 1456, 1470, 1560, 1621, 1680, 1820, 1911, 1960, 2184, 2352, 2548, 2730, 2940, 3120, 3185, 3242, 3640, 3822, 3920, 4368, 4863, 5096, 5460, 5880, 6370, 6484, 7280, 7644, 8105, 9555, 9726, 10192, 10920, 11347, 11760, 12740, 12968, 15288, 16210, 19110, 19452, 21073, 21840, 22694, 24315, 25480, 25936, 30576, 32420, 34041, 38220, 38904, 42146, 45388, 48630, 50960, 56735, 63219, 64840, 68082, 76440, 77808, 79429, 84292, 90776, 97260, 105365, 113470, 126438, 129680, 136164, 147511, 152880, 158858, 168584, 170205, 181552, 194520, 210730, 226940, 238287, 252876, 272328, 295022, 316095, 317716, 337168, 340410, 389040, 397145, 421460, 442533, 453880, 476574, 505752, 544656, 590044, 632190, 635432, 680820, 737555, 794290, 842920, 885066, 907760, 953148, 1011504, 1032577, 1180088, 1191435, 1264380, 1270864, 1361640, 1475110, 1588580, 1685840, 1770132, 1906296, 2065154, 2212665, 2360176, 2382870, 2528760, 2723280, 2950220, 3097731, 3177160, 3540264, 3812592, 4130308, 4425330, 4765740, 5057520, 5162885, 5900440, 6195462, 6354320, 7080528, 8260616, 8850660, 9531480, 10325770, 11800880, 12390924, 15488655, 16521232, 17701320, 19062960, 20651540, 24781848, 30977310, 35402640, 41303080, 49563696, 61954620, 82606160, 123909240, 247818480]

約数ペア:

[(1, 247818480), (2, 123909240), (3, 82606160), (4, 61954620), (5, 49563696), (6, 41303080), (7, 35402640), (8, 30977310), (10, 24781848), (12, 20651540), (13, 19062960), (14, 17701320), (15, 16521232), (16, 15488655), (20, 12390924), (21, 11800880), (24, 10325770), (26, 9531480), (28, 8850660), (30, 8260616), (35, 7080528), (39, 6354320), (40, 6195462), (42, 5900440), (48, 5162885), (49, 5057520), (52, 4765740), (56, 4425330), (60, 4130308), (65, 3812592), (70, 3540264), (78, 3177160), (80, 3097731), (84, 2950220), (91, 2723280), (98, 2528760), (104, 2382870), (105, 2360176), (112, 2212665), (120, 2065154), (130, 1906296), (140, 1770132), (147, 1685840), (156, 1588580), (168, 1475110), (182, 1361640), (195, 1270864), (196, 1264380), (208, 1191435), (210, 1180088), (240, 1032577), (245, 1011504), (260, 953148), (273, 907760), (280, 885066), (294, 842920), (312, 794290), (336, 737555), (364, 680820), (390, 635432), (392, 632190), (420, 590044), (455, 544656), (490, 505752), (520, 476574), (546, 453880), (560, 442533), (588, 421460), (624, 397145), (637, 389040), (728, 340410), (735, 337168), (780, 317716), (784, 316095), (840, 295022), (910, 272328), (980, 252876), (1040, 238287), (1092, 226940), (1176, 210730), (1274, 194520), (1365, 181552), (1456, 170205), (1470, 168584), (1560, 158858), (1621, 152880), (1680, 147511), (1820, 136164), (1911, 129680), (1960, 126438), (2184, 113470), (2352, 105365), (2548, 97260), (2730, 90776), (2940, 84292), (3120, 79429), (3185, 77808), (3242, 76440), (3640, 68082), (3822, 64840), (3920, 63219), (4368, 56735), (4863, 50960), (5096, 48630), (5460, 45388), (5880, 42146), (6370, 38904), (6484, 38220), (7280, 34041), (7644, 32420), (8105, 30576), (9555, 25936), (9726, 25480), (10192, 24315), (10920, 22694), (11347, 21840), (11760, 21073), (12740, 19452), (12968, 19110), (15288, 16210)]