80919972

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{1699}}^1$

素因数の和:1732

約数の個数: 108

約数和(自身を含む): 246901200

約数和(自身を除く): 165981228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 243, 252, 294, 324, 378, 441, 486, 567, 588, 756, 882, 972, 1134, 1323, 1699, 1701, 1764, 2268, 2646, 3398, 3402, 3969, 5097, 5292, 6796, 6804, 7938, 10194, 11893, 11907, 15291, 15876, 20388, 23786, 23814, 30582, 35679, 45873, 47572, 47628, 61164, 71358, 83251, 91746, 107037, 137619, 142716, 166502, 183492, 214074, 249753, 275238, 321111, 333004, 412857, 428148, 499506, 550476, 642222, 749259, 825714, 963333, 999012, 1284444, 1498518, 1651428, 1926666, 2247777, 2889999, 2997036, 3853332, 4495554, 5779998, 6743331, 8991108, 11559996, 13486662, 20229993, 26973324, 40459986, 80919972]

約数ペア:

[(1, 80919972), (2, 40459986), (3, 26973324), (4, 20229993), (6, 13486662), (7, 11559996), (9, 8991108), (12, 6743331), (14, 5779998), (18, 4495554), (21, 3853332), (27, 2997036), (28, 2889999), (36, 2247777), (42, 1926666), (49, 1651428), (54, 1498518), (63, 1284444), (81, 999012), (84, 963333), (98, 825714), (108, 749259), (126, 642222), (147, 550476), (162, 499506), (189, 428148), (196, 412857), (243, 333004), (252, 321111), (294, 275238), (324, 249753), (378, 214074), (441, 183492), (486, 166502), (567, 142716), (588, 137619), (756, 107037), (882, 91746), (972, 83251), (1134, 71358), (1323, 61164), (1699, 47628), (1701, 47572), (1764, 45873), (2268, 35679), (2646, 30582), (3398, 23814), (3402, 23786), (3969, 20388), (5097, 15876), (5292, 15291), (6796, 11907), (6804, 11893), (7938, 10194)]