81995004

素因数分解:

$2^2\times 3^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1$

素因数の和:148

約数の個数: 192

約数和(自身を含む): 267438080

約数和(自身を除く): 185443076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 103, 108, 117, 126, 156, 162, 182, 189, 206, 234, 243, 252, 273, 309, 324, 351, 364, 378, 412, 468, 486, 546, 567, 618, 702, 721, 729, 756, 819, 927, 972, 1053, 1092, 1134, 1236, 1339, 1404, 1442, 1458, 1638, 1701, 1854, 2106, 2163, 2187, 2268, 2457, 2678, 2781, 2884, 2916, 3159, 3276, 3402, 3708, 4017, 4212, 4326, 4374, 4914, 5103, 5356, 5562, 6318, 6489, 6804, 7371, 8034, 8343, 8652, 8748, 9373, 9477, 9828, 10206, 11124, 12051, 12636, 12978, 14742, 15309, 16068, 16686, 18746, 18954, 19467, 20412, 22113, 24102, 25029, 25956, 28119, 28431, 29484, 30618, 33372, 36153, 37492, 37908, 38934, 44226, 48204, 50058, 56238, 56862, 58401, 61236, 66339, 72306, 75087, 77868, 84357, 88452, 100116, 108459, 112476, 113724, 116802, 132678, 144612, 150174, 168714, 175203, 199017, 216918, 225261, 233604, 253071, 265356, 300348, 325377, 337428, 350406, 398034, 433836, 450522, 506142, 525609, 650754, 700812, 759213, 796068, 901044, 976131, 1012284, 1051218, 1301508, 1518426, 1576827, 1952262, 2102436, 2277639, 2928393, 3036852, 3153654, 3904524, 4555278, 5856786, 6307308, 6832917, 9110556, 11713572, 13665834, 20498751, 27331668, 40997502, 81995004]

約数ペア:

[(1, 81995004), (2, 40997502), (3, 27331668), (4, 20498751), (6, 13665834), (7, 11713572), (9, 9110556), (12, 6832917), (13, 6307308), (14, 5856786), (18, 4555278), (21, 3904524), (26, 3153654), (27, 3036852), (28, 2928393), (36, 2277639), (39, 2102436), (42, 1952262), (52, 1576827), (54, 1518426), (63, 1301508), (78, 1051218), (81, 1012284), (84, 976131), (91, 901044), (103, 796068), (108, 759213), (117, 700812), (126, 650754), (156, 525609), (162, 506142), (182, 450522), (189, 433836), (206, 398034), (234, 350406), (243, 337428), (252, 325377), (273, 300348), (309, 265356), (324, 253071), (351, 233604), (364, 225261), (378, 216918), (412, 199017), (468, 175203), (486, 168714), (546, 150174), (567, 144612), (618, 132678), (702, 116802), (721, 113724), (729, 112476), (756, 108459), (819, 100116), (927, 88452), (972, 84357), (1053, 77868), (1092, 75087), (1134, 72306), (1236, 66339), (1339, 61236), (1404, 58401), (1442, 56862), (1458, 56238), (1638, 50058), (1701, 48204), (1854, 44226), (2106, 38934), (2163, 37908), (2187, 37492), (2268, 36153), (2457, 33372), (2678, 30618), (2781, 29484), (2884, 28431), (2916, 28119), (3159, 25956), (3276, 25029), (3402, 24102), (3708, 22113), (4017, 20412), (4212, 19467), (4326, 18954), (4374, 18746), (4914, 16686), (5103, 16068), (5356, 15309), (5562, 14742), (6318, 12978), (6489, 12636), (6804, 12051), (7371, 11124), (8034, 10206), (8343, 9828), (8652, 9477), (8748, 9373)]