81717012

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 239715840

約数和(自身を除く): 157998828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 81, 87, 108, 116, 117, 156, 162, 174, 223, 234, 243, 261, 324, 348, 351, 377, 446, 468, 486, 522, 669, 702, 754, 783, 892, 972, 1044, 1053, 1131, 1338, 1404, 1508, 1566, 2007, 2106, 2262, 2349, 2676, 2899, 3132, 3159, 3393, 4014, 4212, 4524, 4698, 5798, 6021, 6318, 6467, 6786, 7047, 8028, 8697, 9396, 10179, 11596, 12042, 12636, 12934, 13572, 14094, 17394, 18063, 19401, 20358, 24084, 25868, 26091, 28188, 30537, 34788, 36126, 38802, 40716, 52182, 54189, 58203, 61074, 72252, 77604, 78273, 84071, 91611, 104364, 108378, 116406, 122148, 156546, 168142, 174609, 183222, 216756, 232812, 234819, 252213, 313092, 336284, 349218, 366444, 469638, 504426, 523827, 698436, 704457, 756639, 939276, 1008852, 1047654, 1408914, 1513278, 1571481, 2095308, 2269917, 2817828, 3026556, 3142962, 4539834, 6285924, 6809751, 9079668, 13619502, 20429253, 27239004, 40858506, 81717012]

約数ペア:

[(1, 81717012), (2, 40858506), (3, 27239004), (4, 20429253), (6, 13619502), (9, 9079668), (12, 6809751), (13, 6285924), (18, 4539834), (26, 3142962), (27, 3026556), (29, 2817828), (36, 2269917), (39, 2095308), (52, 1571481), (54, 1513278), (58, 1408914), (78, 1047654), (81, 1008852), (87, 939276), (108, 756639), (116, 704457), (117, 698436), (156, 523827), (162, 504426), (174, 469638), (223, 366444), (234, 349218), (243, 336284), (261, 313092), (324, 252213), (348, 234819), (351, 232812), (377, 216756), (446, 183222), (468, 174609), (486, 168142), (522, 156546), (669, 122148), (702, 116406), (754, 108378), (783, 104364), (892, 91611), (972, 84071), (1044, 78273), (1053, 77604), (1131, 72252), (1338, 61074), (1404, 58203), (1508, 54189), (1566, 52182), (2007, 40716), (2106, 38802), (2262, 36126), (2349, 34788), (2676, 30537), (2899, 28188), (3132, 26091), (3159, 25868), (3393, 24084), (4014, 20358), (4212, 19401), (4524, 18063), (4698, 17394), (5798, 14094), (6021, 13572), (6318, 12934), (6467, 12636), (6786, 12042), (7047, 11596), (8028, 10179), (8697, 9396)]