39996684

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 129030720

約数和(自身を除く): 89034036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 29, 36, 39, 42, 52, 58, 63, 78, 84, 87, 91, 116, 117, 126, 156, 174, 182, 203, 234, 252, 261, 273, 348, 364, 377, 406, 421, 468, 522, 546, 609, 754, 812, 819, 842, 1044, 1092, 1131, 1218, 1263, 1508, 1638, 1684, 1827, 2262, 2436, 2526, 2639, 2947, 3276, 3393, 3654, 3789, 4524, 5052, 5278, 5473, 5894, 6786, 7308, 7578, 7917, 8841, 10556, 10946, 11788, 12209, 13572, 15156, 15834, 16419, 17682, 21892, 23751, 24418, 26523, 31668, 32838, 35364, 36627, 38311, 47502, 48836, 49257, 53046, 65676, 73254, 76622, 85463, 95004, 98514, 106092, 109881, 114933, 146508, 153244, 158717, 170926, 197028, 219762, 229866, 256389, 317434, 341852, 344799, 439524, 459732, 476151, 512778, 634868, 689598, 769167, 952302, 1025556, 1111019, 1379196, 1428453, 1538334, 1904604, 2222038, 2856906, 3076668, 3333057, 4444076, 5713812, 6666114, 9999171, 13332228, 19998342, 39996684]

約数ペア:

[(1, 39996684), (2, 19998342), (3, 13332228), (4, 9999171), (6, 6666114), (7, 5713812), (9, 4444076), (12, 3333057), (13, 3076668), (14, 2856906), (18, 2222038), (21, 1904604), (26, 1538334), (28, 1428453), (29, 1379196), (36, 1111019), (39, 1025556), (42, 952302), (52, 769167), (58, 689598), (63, 634868), (78, 512778), (84, 476151), (87, 459732), (91, 439524), (116, 344799), (117, 341852), (126, 317434), (156, 256389), (174, 229866), (182, 219762), (203, 197028), (234, 170926), (252, 158717), (261, 153244), (273, 146508), (348, 114933), (364, 109881), (377, 106092), (406, 98514), (421, 95004), (468, 85463), (522, 76622), (546, 73254), (609, 65676), (754, 53046), (812, 49257), (819, 48836), (842, 47502), (1044, 38311), (1092, 36627), (1131, 35364), (1218, 32838), (1263, 31668), (1508, 26523), (1638, 24418), (1684, 23751), (1827, 21892), (2262, 17682), (2436, 16419), (2526, 15834), (2639, 15156), (2947, 13572), (3276, 12209), (3393, 11788), (3654, 10946), (3789, 10556), (4524, 8841), (5052, 7917), (5278, 7578), (5473, 7308), (5894, 6786)]