641647008

素因数分解:

$2^5\times 3^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 240

約数和(自身を含む): 2019790080

約数和(自身を除く): 1378143072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 47, 48, 54, 69, 72, 81, 92, 94, 96, 108, 138, 141, 144, 162, 184, 188, 207, 216, 229, 276, 282, 288, 324, 368, 376, 414, 423, 432, 458, 552, 564, 621, 648, 687, 736, 752, 828, 846, 864, 916, 1081, 1104, 1128, 1242, 1269, 1296, 1374, 1504, 1656, 1692, 1832, 1863, 2061, 2162, 2208, 2256, 2484, 2538, 2592, 2748, 3243, 3312, 3384, 3664, 3726, 3807, 4122, 4324, 4512, 4968, 5076, 5267, 5496, 6183, 6486, 6624, 6768, 7328, 7452, 7614, 8244, 8648, 9729, 9936, 10152, 10534, 10763, 10992, 12366, 12972, 13536, 14904, 15228, 15801, 16488, 17296, 18549, 19458, 19872, 20304, 21068, 21526, 21984, 24732, 25944, 29187, 29808, 30456, 31602, 32289, 32976, 34592, 37098, 38916, 40608, 42136, 43052, 47403, 49464, 51888, 58374, 59616, 60912, 63204, 64578, 65952, 74196, 77832, 84272, 86104, 87561, 94806, 96867, 98928, 103776, 116748, 121824, 126408, 129156, 142209, 148392, 155664, 168544, 172208, 175122, 189612, 193734, 197856, 233496, 247549, 252816, 258312, 284418, 290601, 296784, 311328, 344416, 350244, 379224, 387468, 426627, 466992, 495098, 505632, 516624, 568836, 581202, 593568, 700488, 742647, 758448, 774936, 853254, 871803, 933984, 990196, 1033248, 1137672, 1162404, 1400976, 1485294, 1516896, 1549872, 1706508, 1743606, 1980392, 2227941, 2275344, 2324808, 2801952, 2970588, 3099744, 3413016, 3487212, 3960784, 4455882, 4550688, 4649616, 5941176, 6683823, 6826032, 6974424, 7921568, 8911764, 9299232, 11882352, 13367646, 13652064, 13948848, 17823528, 20051469, 23764704, 26735292, 27897696, 35647056, 40102938, 53470584, 71294112, 80205876, 106941168, 160411752, 213882336, 320823504, 641647008]

約数ペア:

[(1, 641647008), (2, 320823504), (3, 213882336), (4, 160411752), (6, 106941168), (8, 80205876), (9, 71294112), (12, 53470584), (16, 40102938), (18, 35647056), (23, 27897696), (24, 26735292), (27, 23764704), (32, 20051469), (36, 17823528), (46, 13948848), (47, 13652064), (48, 13367646), (54, 11882352), (69, 9299232), (72, 8911764), (81, 7921568), (92, 6974424), (94, 6826032), (96, 6683823), (108, 5941176), (138, 4649616), (141, 4550688), (144, 4455882), (162, 3960784), (184, 3487212), (188, 3413016), (207, 3099744), (216, 2970588), (229, 2801952), (276, 2324808), (282, 2275344), (288, 2227941), (324, 1980392), (368, 1743606), (376, 1706508), (414, 1549872), (423, 1516896), (432, 1485294), (458, 1400976), (552, 1162404), (564, 1137672), (621, 1033248), (648, 990196), (687, 933984), (736, 871803), (752, 853254), (828, 774936), (846, 758448), (864, 742647), (916, 700488), (1081, 593568), (1104, 581202), (1128, 568836), (1242, 516624), (1269, 505632), (1296, 495098), (1374, 466992), (1504, 426627), (1656, 387468), (1692, 379224), (1832, 350244), (1863, 344416), (2061, 311328), (2162, 296784), (2208, 290601), (2256, 284418), (2484, 258312), (2538, 252816), (2592, 247549), (2748, 233496), (3243, 197856), (3312, 193734), (3384, 189612), (3664, 175122), (3726, 172208), (3807, 168544), (4122, 155664), (4324, 148392), (4512, 142209), (4968, 129156), (5076, 126408), (5267, 121824), (5496, 116748), (6183, 103776), (6486, 98928), (6624, 96867), (6768, 94806), (7328, 87561), (7452, 86104), (7614, 84272), (8244, 77832), (8648, 74196), (9729, 65952), (9936, 64578), (10152, 63204), (10534, 60912), (10763, 59616), (10992, 58374), (12366, 51888), (12972, 49464), (13536, 47403), (14904, 43052), (15228, 42136), (15801, 40608), (16488, 38916), (17296, 37098), (18549, 34592), (19458, 32976), (19872, 32289), (20304, 31602), (21068, 30456), (21526, 29808), (21984, 29187), (24732, 25944)]