80904978

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:333

約数の個数: 144

約数和(自身を含む): 230480640

約数和(自身を除く): 149575662

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 31, 33, 42, 49, 62, 63, 66, 77, 93, 98, 99, 126, 147, 154, 186, 198, 217, 231, 269, 279, 294, 341, 434, 441, 462, 538, 539, 558, 651, 682, 693, 807, 882, 1023, 1078, 1302, 1386, 1519, 1614, 1617, 1883, 1953, 2046, 2387, 2421, 2959, 3038, 3069, 3234, 3766, 3906, 4557, 4774, 4842, 4851, 5649, 5918, 6138, 7161, 8339, 8877, 9114, 9702, 11298, 13181, 13671, 14322, 16678, 16709, 16947, 17754, 20713, 21483, 25017, 26362, 26631, 27342, 33418, 33894, 39543, 41426, 42966, 50034, 50127, 53262, 58373, 62139, 75051, 79086, 91729, 100254, 116746, 118629, 124278, 144991, 150102, 150381, 175119, 183458, 186417, 237258, 275187, 289982, 300762, 350238, 372834, 408611, 434973, 525357, 550374, 642103, 817222, 825561, 869946, 1050714, 1225833, 1284206, 1304919, 1651122, 1926309, 2451666, 2609838, 3677499, 3852618, 4494721, 5778927, 7354998, 8989442, 11557854, 13484163, 26968326, 40452489, 80904978]

約数ペア:

[(1, 80904978), (2, 40452489), (3, 26968326), (6, 13484163), (7, 11557854), (9, 8989442), (11, 7354998), (14, 5778927), (18, 4494721), (21, 3852618), (22, 3677499), (31, 2609838), (33, 2451666), (42, 1926309), (49, 1651122), (62, 1304919), (63, 1284206), (66, 1225833), (77, 1050714), (93, 869946), (98, 825561), (99, 817222), (126, 642103), (147, 550374), (154, 525357), (186, 434973), (198, 408611), (217, 372834), (231, 350238), (269, 300762), (279, 289982), (294, 275187), (341, 237258), (434, 186417), (441, 183458), (462, 175119), (538, 150381), (539, 150102), (558, 144991), (651, 124278), (682, 118629), (693, 116746), (807, 100254), (882, 91729), (1023, 79086), (1078, 75051), (1302, 62139), (1386, 58373), (1519, 53262), (1614, 50127), (1617, 50034), (1883, 42966), (1953, 41426), (2046, 39543), (2387, 33894), (2421, 33418), (2959, 27342), (3038, 26631), (3069, 26362), (3234, 25017), (3766, 21483), (3906, 20713), (4557, 17754), (4774, 16947), (4842, 16709), (4851, 16678), (5649, 14322), (5918, 13671), (6138, 13181), (7161, 11298), (8339, 9702), (8877, 9114)]