79681644

素因数分解:

$2^2\times 3^5\times 7^3\times {\mathrm{239}}^1$

素因数の和:279

約数の個数: 144

約数和(自身を含む): 244608000

約数和(自身を除く): 164926356

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, 239, 243, 252, 294, 324, 343, 378, 441, 478, 486, 567, 588, 686, 717, 756, 882, 956, 972, 1029, 1134, 1323, 1372, 1434, 1673, 1701, 1764, 2058, 2151, 2268, 2646, 2868, 3087, 3346, 3402, 3969, 4116, 4302, 5019, 5292, 6174, 6453, 6692, 6804, 7938, 8604, 9261, 10038, 11711, 11907, 12348, 12906, 15057, 15876, 18522, 19359, 20076, 23422, 23814, 25812, 27783, 30114, 35133, 37044, 38718, 45171, 46844, 47628, 55566, 58077, 60228, 70266, 77436, 81977, 83349, 90342, 105399, 111132, 116154, 135513, 140532, 163954, 166698, 180684, 210798, 232308, 245931, 271026, 316197, 327908, 333396, 406539, 421596, 491862, 542052, 632394, 737793, 813078, 948591, 983724, 1264788, 1475586, 1626156, 1897182, 2213379, 2845773, 2951172, 3794364, 4426758, 5691546, 6640137, 8853516, 11383092, 13280274, 19920411, 26560548, 39840822, 79681644]

約数ペア:

[(1, 79681644), (2, 39840822), (3, 26560548), (4, 19920411), (6, 13280274), (7, 11383092), (9, 8853516), (12, 6640137), (14, 5691546), (18, 4426758), (21, 3794364), (27, 2951172), (28, 2845773), (36, 2213379), (42, 1897182), (49, 1626156), (54, 1475586), (63, 1264788), (81, 983724), (84, 948591), (98, 813078), (108, 737793), (126, 632394), (147, 542052), (162, 491862), (189, 421596), (196, 406539), (239, 333396), (243, 327908), (252, 316197), (294, 271026), (324, 245931), (343, 232308), (378, 210798), (441, 180684), (478, 166698), (486, 163954), (567, 140532), (588, 135513), (686, 116154), (717, 111132), (756, 105399), (882, 90342), (956, 83349), (972, 81977), (1029, 77436), (1134, 70266), (1323, 60228), (1372, 58077), (1434, 55566), (1673, 47628), (1701, 46844), (1764, 45171), (2058, 38718), (2151, 37044), (2268, 35133), (2646, 30114), (2868, 27783), (3087, 25812), (3346, 23814), (3402, 23422), (3969, 20076), (4116, 19359), (4302, 18522), (5019, 15876), (5292, 15057), (6174, 12906), (6453, 12348), (6692, 11907), (6804, 11711), (7938, 10038), (8604, 9261)]