821173080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:714

約数の個数: 256

約数和(自身を含む): 3059481600

約数和(自身を除く): 2238308520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 139, 140, 156, 168, 182, 195, 210, 260, 273, 278, 280, 312, 364, 390, 417, 420, 455, 520, 541, 546, 556, 695, 728, 780, 834, 840, 910, 973, 1082, 1092, 1112, 1365, 1390, 1560, 1623, 1668, 1807, 1820, 1946, 2085, 2164, 2184, 2705, 2730, 2780, 2919, 3246, 3336, 3614, 3640, 3787, 3892, 4170, 4328, 4865, 5410, 5421, 5460, 5560, 5838, 6492, 7033, 7228, 7574, 7784, 8115, 8340, 9035, 9730, 10820, 10842, 10920, 11361, 11676, 12649, 12984, 14066, 14456, 14595, 15148, 16230, 16680, 18070, 18935, 19460, 21099, 21640, 21684, 22722, 23352, 25298, 27105, 28132, 29190, 30296, 32460, 35165, 36140, 37870, 37947, 38920, 42198, 43368, 45444, 49231, 50596, 54210, 56264, 56805, 58380, 63245, 64920, 70330, 72280, 75199, 75740, 75894, 84396, 90888, 98462, 101192, 105495, 108420, 113610, 116760, 126490, 140660, 147693, 150398, 151480, 151788, 168792, 189735, 196924, 210990, 216840, 225597, 227220, 246155, 252980, 281320, 295386, 300796, 303576, 375995, 379470, 393848, 421980, 451194, 454440, 492310, 505960, 526393, 590772, 601592, 738465, 751990, 758940, 843960, 902388, 977587, 984620, 1052786, 1127985, 1181544, 1476930, 1503980, 1517880, 1579179, 1804776, 1955174, 1969240, 2105572, 2255970, 2631965, 2932761, 2953860, 3007960, 3158358, 3910348, 4211144, 4511940, 4887935, 5263930, 5865522, 5907720, 6316716, 6843109, 7820696, 7895895, 9023880, 9775870, 10527860, 11731044, 12633432, 13686218, 14663805, 15791790, 19551740, 20529327, 21055720, 23462088, 27372436, 29327610, 31583580, 34215545, 39103480, 41058654, 54744872, 58655220, 63167160, 68431090, 82117308, 102646635, 117310440, 136862180, 164234616, 205293270, 273724360, 410586540, 821173080]

約数ペア:

[(1, 821173080), (2, 410586540), (3, 273724360), (4, 205293270), (5, 164234616), (6, 136862180), (7, 117310440), (8, 102646635), (10, 82117308), (12, 68431090), (13, 63167160), (14, 58655220), (15, 54744872), (20, 41058654), (21, 39103480), (24, 34215545), (26, 31583580), (28, 29327610), (30, 27372436), (35, 23462088), (39, 21055720), (40, 20529327), (42, 19551740), (52, 15791790), (56, 14663805), (60, 13686218), (65, 12633432), (70, 11731044), (78, 10527860), (84, 9775870), (91, 9023880), (104, 7895895), (105, 7820696), (120, 6843109), (130, 6316716), (139, 5907720), (140, 5865522), (156, 5263930), (168, 4887935), (182, 4511940), (195, 4211144), (210, 3910348), (260, 3158358), (273, 3007960), (278, 2953860), (280, 2932761), (312, 2631965), (364, 2255970), (390, 2105572), (417, 1969240), (420, 1955174), (455, 1804776), (520, 1579179), (541, 1517880), (546, 1503980), (556, 1476930), (695, 1181544), (728, 1127985), (780, 1052786), (834, 984620), (840, 977587), (910, 902388), (973, 843960), (1082, 758940), (1092, 751990), (1112, 738465), (1365, 601592), (1390, 590772), (1560, 526393), (1623, 505960), (1668, 492310), (1807, 454440), (1820, 451194), (1946, 421980), (2085, 393848), (2164, 379470), (2184, 375995), (2705, 303576), (2730, 300796), (2780, 295386), (2919, 281320), (3246, 252980), (3336, 246155), (3614, 227220), (3640, 225597), (3787, 216840), (3892, 210990), (4170, 196924), (4328, 189735), (4865, 168792), (5410, 151788), (5421, 151480), (5460, 150398), (5560, 147693), (5838, 140660), (6492, 126490), (7033, 116760), (7228, 113610), (7574, 108420), (7784, 105495), (8115, 101192), (8340, 98462), (9035, 90888), (9730, 84396), (10820, 75894), (10842, 75740), (10920, 75199), (11361, 72280), (11676, 70330), (12649, 64920), (12984, 63245), (14066, 58380), (14456, 56805), (14595, 56264), (15148, 54210), (16230, 50596), (16680, 49231), (18070, 45444), (18935, 43368), (19460, 42198), (21099, 38920), (21640, 37947), (21684, 37870), (22722, 36140), (23352, 35165), (25298, 32460), (27105, 30296), (28132, 29190)]