158538128

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{367}}^1$

素因数の和:437

約数の個数: 120

約数和(自身を含む): 390153600

約数和(自身を除く): 231615472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 38, 49, 56, 58, 76, 98, 112, 116, 133, 152, 196, 203, 232, 266, 304, 367, 392, 406, 464, 532, 551, 734, 784, 812, 931, 1064, 1102, 1421, 1468, 1624, 1862, 2128, 2204, 2569, 2842, 2936, 3248, 3724, 3857, 4408, 5138, 5684, 5872, 6973, 7448, 7714, 8816, 10276, 10643, 11368, 13946, 14896, 15428, 17983, 20552, 21286, 22736, 26999, 27892, 30856, 35966, 41104, 42572, 48811, 53998, 55784, 61712, 71932, 74501, 85144, 97622, 107996, 111568, 143864, 149002, 170288, 195244, 202217, 215992, 287728, 298004, 341677, 390488, 404434, 431984, 521507, 596008, 683354, 780976, 808868, 1043014, 1192016, 1366708, 1415519, 1617736, 2086028, 2733416, 2831038, 3235472, 4172056, 5466832, 5662076, 8344112, 9908633, 11324152, 19817266, 22648304, 39634532, 79269064, 158538128]

約数ペア:

[(1, 158538128), (2, 79269064), (4, 39634532), (7, 22648304), (8, 19817266), (14, 11324152), (16, 9908633), (19, 8344112), (28, 5662076), (29, 5466832), (38, 4172056), (49, 3235472), (56, 2831038), (58, 2733416), (76, 2086028), (98, 1617736), (112, 1415519), (116, 1366708), (133, 1192016), (152, 1043014), (196, 808868), (203, 780976), (232, 683354), (266, 596008), (304, 521507), (367, 431984), (392, 404434), (406, 390488), (464, 341677), (532, 298004), (551, 287728), (734, 215992), (784, 202217), (812, 195244), (931, 170288), (1064, 149002), (1102, 143864), (1421, 111568), (1468, 107996), (1624, 97622), (1862, 85144), (2128, 74501), (2204, 71932), (2569, 61712), (2842, 55784), (2936, 53998), (3248, 48811), (3724, 42572), (3857, 41104), (4408, 35966), (5138, 30856), (5684, 27892), (5872, 26999), (6973, 22736), (7448, 21286), (7714, 20552), (8816, 17983), (10276, 15428), (10643, 14896), (11368, 13946)]