87281964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:125

約数の個数: 216

約数和(自身を含む): 294997248

約数和(自身を除く): 207715284

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 23, 28, 33, 36, 37, 42, 44, 46, 63, 66, 69, 74, 77, 84, 92, 99, 111, 126, 132, 138, 148, 154, 161, 198, 207, 222, 231, 252, 253, 259, 276, 308, 322, 333, 396, 407, 414, 444, 462, 483, 506, 518, 644, 666, 693, 759, 777, 814, 828, 851, 924, 966, 1012, 1036, 1221, 1332, 1369, 1386, 1449, 1518, 1554, 1628, 1702, 1771, 1932, 2277, 2331, 2442, 2553, 2738, 2772, 2849, 2898, 3036, 3108, 3404, 3542, 3663, 4107, 4554, 4662, 4884, 5106, 5313, 5476, 5698, 5796, 5957, 7084, 7326, 7659, 8214, 8547, 9108, 9324, 9361, 9583, 10212, 10626, 11396, 11914, 12321, 14652, 15059, 15318, 15939, 16428, 17094, 17871, 18722, 19166, 21252, 23828, 24642, 25641, 28083, 28749, 30118, 30636, 31487, 31878, 34188, 35742, 37444, 38332, 45177, 49284, 51282, 53613, 56166, 57498, 60236, 62974, 63756, 65527, 71484, 84249, 86247, 90354, 94461, 102564, 105413, 107226, 112332, 114996, 125948, 131054, 135531, 168498, 172494, 180708, 188922, 196581, 210826, 214452, 220409, 262108, 271062, 283383, 316239, 336996, 344988, 346357, 377844, 393162, 421652, 440818, 542124, 566766, 589743, 632478, 661227, 692714, 786324, 881636, 948717, 1039071, 1133532, 1179486, 1264956, 1322454, 1385428, 1897434, 1983681, 2078142, 2358972, 2424499, 2644908, 3117213, 3794868, 3967362, 4156284, 4848998, 6234426, 7273497, 7934724, 9697996, 12468852, 14546994, 21820491, 29093988, 43640982, 87281964]

約数ペア:

[(1, 87281964), (2, 43640982), (3, 29093988), (4, 21820491), (6, 14546994), (7, 12468852), (9, 9697996), (11, 7934724), (12, 7273497), (14, 6234426), (18, 4848998), (21, 4156284), (22, 3967362), (23, 3794868), (28, 3117213), (33, 2644908), (36, 2424499), (37, 2358972), (42, 2078142), (44, 1983681), (46, 1897434), (63, 1385428), (66, 1322454), (69, 1264956), (74, 1179486), (77, 1133532), (84, 1039071), (92, 948717), (99, 881636), (111, 786324), (126, 692714), (132, 661227), (138, 632478), (148, 589743), (154, 566766), (161, 542124), (198, 440818), (207, 421652), (222, 393162), (231, 377844), (252, 346357), (253, 344988), (259, 336996), (276, 316239), (308, 283383), (322, 271062), (333, 262108), (396, 220409), (407, 214452), (414, 210826), (444, 196581), (462, 188922), (483, 180708), (506, 172494), (518, 168498), (644, 135531), (666, 131054), (693, 125948), (759, 114996), (777, 112332), (814, 107226), (828, 105413), (851, 102564), (924, 94461), (966, 90354), (1012, 86247), (1036, 84249), (1221, 71484), (1332, 65527), (1369, 63756), (1386, 62974), (1449, 60236), (1518, 57498), (1554, 56166), (1628, 53613), (1702, 51282), (1771, 49284), (1932, 45177), (2277, 38332), (2331, 37444), (2442, 35742), (2553, 34188), (2738, 31878), (2772, 31487), (2849, 30636), (2898, 30118), (3036, 28749), (3108, 28083), (3404, 25641), (3542, 24642), (3663, 23828), (4107, 21252), (4554, 19166), (4662, 18722), (4884, 17871), (5106, 17094), (5313, 16428), (5476, 15939), (5698, 15318), (5796, 15059), (5957, 14652), (7084, 12321), (7326, 11914), (7659, 11396), (8214, 10626), (8547, 10212), (9108, 9583), (9324, 9361)]