81451188

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 216

約数和(自身を含む): 270536448

約数和(自身を除く): 189085260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 23, 26, 28, 36, 39, 42, 46, 47, 52, 63, 69, 78, 84, 91, 92, 94, 117, 126, 138, 141, 156, 161, 182, 188, 207, 234, 252, 273, 276, 282, 299, 322, 329, 364, 414, 423, 468, 483, 529, 546, 564, 598, 611, 644, 658, 819, 828, 846, 897, 966, 987, 1058, 1081, 1092, 1196, 1222, 1316, 1449, 1587, 1638, 1692, 1794, 1833, 1932, 1974, 2093, 2116, 2162, 2444, 2691, 2898, 2961, 3174, 3243, 3276, 3588, 3666, 3703, 3948, 4186, 4277, 4324, 4761, 5382, 5499, 5796, 5922, 6279, 6348, 6486, 6877, 7332, 7406, 7567, 8372, 8554, 9522, 9729, 10764, 10998, 11109, 11844, 12558, 12831, 12972, 13754, 14053, 14812, 15134, 17108, 18837, 19044, 19458, 20631, 21996, 22218, 22701, 24863, 25116, 25662, 27508, 28106, 30268, 33327, 37674, 38493, 38916, 41262, 42159, 44436, 45402, 48139, 49726, 51324, 56212, 61893, 66654, 68103, 74589, 75348, 76986, 82524, 84318, 90804, 96278, 98371, 99452, 123786, 126477, 133308, 136206, 144417, 149178, 153972, 168636, 174041, 192556, 196742, 223767, 247572, 252954, 272412, 288834, 295113, 298356, 323219, 348082, 393484, 433251, 447534, 505908, 522123, 577668, 590226, 646438, 696164, 866502, 885339, 895068, 969657, 1044246, 1180452, 1292876, 1566369, 1733004, 1770678, 1939314, 2088492, 2262533, 2908971, 3132738, 3541356, 3878628, 4525066, 5817942, 6265476, 6787599, 9050132, 11635884, 13575198, 20362797, 27150396, 40725594, 81451188]

約数ペア:

[(1, 81451188), (2, 40725594), (3, 27150396), (4, 20362797), (6, 13575198), (7, 11635884), (9, 9050132), (12, 6787599), (13, 6265476), (14, 5817942), (18, 4525066), (21, 3878628), (23, 3541356), (26, 3132738), (28, 2908971), (36, 2262533), (39, 2088492), (42, 1939314), (46, 1770678), (47, 1733004), (52, 1566369), (63, 1292876), (69, 1180452), (78, 1044246), (84, 969657), (91, 895068), (92, 885339), (94, 866502), (117, 696164), (126, 646438), (138, 590226), (141, 577668), (156, 522123), (161, 505908), (182, 447534), (188, 433251), (207, 393484), (234, 348082), (252, 323219), (273, 298356), (276, 295113), (282, 288834), (299, 272412), (322, 252954), (329, 247572), (364, 223767), (414, 196742), (423, 192556), (468, 174041), (483, 168636), (529, 153972), (546, 149178), (564, 144417), (598, 136206), (611, 133308), (644, 126477), (658, 123786), (819, 99452), (828, 98371), (846, 96278), (897, 90804), (966, 84318), (987, 82524), (1058, 76986), (1081, 75348), (1092, 74589), (1196, 68103), (1222, 66654), (1316, 61893), (1449, 56212), (1587, 51324), (1638, 49726), (1692, 48139), (1794, 45402), (1833, 44436), (1932, 42159), (1974, 41262), (2093, 38916), (2116, 38493), (2162, 37674), (2444, 33327), (2691, 30268), (2898, 28106), (2961, 27508), (3174, 25662), (3243, 25116), (3276, 24863), (3588, 22701), (3666, 22218), (3703, 21996), (3948, 20631), (4186, 19458), (4277, 19044), (4324, 18837), (4761, 17108), (5382, 15134), (5499, 14812), (5796, 14053), (5922, 13754), (6279, 12972), (6348, 12831), (6486, 12558), (6877, 11844), (7332, 11109), (7406, 10998), (7567, 10764), (8372, 9729), (8554, 9522)]