81510408

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:137

約数の個数: 256

約数和(自身を含む): 280166400

約数和(自身を除く): 198655992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 37, 42, 47, 54, 56, 62, 63, 72, 74, 84, 93, 94, 108, 111, 124, 126, 141, 148, 168, 186, 188, 189, 216, 217, 222, 248, 252, 259, 279, 282, 296, 329, 333, 372, 376, 378, 423, 434, 444, 504, 518, 558, 564, 651, 658, 666, 744, 756, 777, 837, 846, 868, 888, 987, 999, 1036, 1116, 1128, 1147, 1269, 1302, 1316, 1332, 1457, 1512, 1554, 1674, 1692, 1736, 1739, 1953, 1974, 1998, 2072, 2232, 2294, 2331, 2538, 2604, 2632, 2664, 2914, 2961, 3108, 3348, 3384, 3441, 3478, 3906, 3948, 3996, 4371, 4588, 4662, 5076, 5208, 5217, 5828, 5859, 5922, 6216, 6696, 6882, 6956, 6993, 7812, 7896, 7992, 8029, 8742, 8883, 9176, 9324, 10152, 10199, 10323, 10434, 11656, 11718, 11844, 12173, 13113, 13764, 13912, 13986, 15624, 15651, 16058, 17484, 17766, 18648, 20398, 20646, 20868, 23436, 23688, 24087, 24346, 26226, 27528, 27972, 30597, 30969, 31302, 32116, 34968, 35532, 36519, 39339, 40796, 41292, 41736, 46872, 46953, 48174, 48692, 52452, 53909, 55944, 61194, 61938, 62604, 64232, 71064, 72261, 73038, 78678, 81592, 82584, 91791, 93906, 96348, 97384, 104904, 107818, 109557, 122388, 123876, 125208, 144522, 146076, 157356, 161727, 183582, 187812, 192696, 215636, 216783, 219114, 244776, 247752, 275373, 289044, 292152, 314712, 323454, 328671, 367164, 375624, 377363, 431272, 433566, 438228, 485181, 550746, 578088, 646908, 657342, 734328, 754726, 867132, 876456, 970362, 1101492, 1132089, 1293816, 1314684, 1455543, 1509452, 1734264, 1940724, 2202984, 2264178, 2629368, 2911086, 3018904, 3396267, 3881448, 4528356, 5822172, 6792534, 9056712, 10188801, 11644344, 13585068, 20377602, 27170136, 40755204, 81510408]

約数ペア:

[(1, 81510408), (2, 40755204), (3, 27170136), (4, 20377602), (6, 13585068), (7, 11644344), (8, 10188801), (9, 9056712), (12, 6792534), (14, 5822172), (18, 4528356), (21, 3881448), (24, 3396267), (27, 3018904), (28, 2911086), (31, 2629368), (36, 2264178), (37, 2202984), (42, 1940724), (47, 1734264), (54, 1509452), (56, 1455543), (62, 1314684), (63, 1293816), (72, 1132089), (74, 1101492), (84, 970362), (93, 876456), (94, 867132), (108, 754726), (111, 734328), (124, 657342), (126, 646908), (141, 578088), (148, 550746), (168, 485181), (186, 438228), (188, 433566), (189, 431272), (216, 377363), (217, 375624), (222, 367164), (248, 328671), (252, 323454), (259, 314712), (279, 292152), (282, 289044), (296, 275373), (329, 247752), (333, 244776), (372, 219114), (376, 216783), (378, 215636), (423, 192696), (434, 187812), (444, 183582), (504, 161727), (518, 157356), (558, 146076), (564, 144522), (651, 125208), (658, 123876), (666, 122388), (744, 109557), (756, 107818), (777, 104904), (837, 97384), (846, 96348), (868, 93906), (888, 91791), (987, 82584), (999, 81592), (1036, 78678), (1116, 73038), (1128, 72261), (1147, 71064), (1269, 64232), (1302, 62604), (1316, 61938), (1332, 61194), (1457, 55944), (1512, 53909), (1554, 52452), (1674, 48692), (1692, 48174), (1736, 46953), (1739, 46872), (1953, 41736), (1974, 41292), (1998, 40796), (2072, 39339), (2232, 36519), (2294, 35532), (2331, 34968), (2538, 32116), (2604, 31302), (2632, 30969), (2664, 30597), (2914, 27972), (2961, 27528), (3108, 26226), (3348, 24346), (3384, 24087), (3441, 23688), (3478, 23436), (3906, 20868), (3948, 20646), (3996, 20398), (4371, 18648), (4588, 17766), (4662, 17484), (5076, 16058), (5208, 15651), (5217, 15624), (5828, 13986), (5859, 13912), (5922, 13764), (6216, 13113), (6696, 12173), (6882, 11844), (6956, 11718), (6993, 11656), (7812, 10434), (7896, 10323), (7992, 10199), (8029, 10152), (8742, 9324), (8883, 9176)]