178471332

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20071}}^1$

素因数の和:20113

約数の個数: 72

約数和(自身を含む): 511434560

約数和(自身を除く): 332963228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 20071, 40142, 60213, 80284, 120426, 180639, 240852, 260923, 361278, 381349, 521846, 722556, 762698, 782769, 1043692, 1144047, 1525396, 1565538, 2288094, 2348307, 3131076, 3432141, 4576188, 4696614, 4957537, 6864282, 9393228, 9915074, 13728564, 14872611, 19830148, 29745222, 44617833, 59490444, 89235666, 178471332]

約数ペア:

[(1, 178471332), (2, 89235666), (3, 59490444), (4, 44617833), (6, 29745222), (9, 19830148), (12, 14872611), (13, 13728564), (18, 9915074), (19, 9393228), (26, 6864282), (36, 4957537), (38, 4696614), (39, 4576188), (52, 3432141), (57, 3131076), (76, 2348307), (78, 2288094), (114, 1565538), (117, 1525396), (156, 1144047), (171, 1043692), (228, 782769), (234, 762698), (247, 722556), (342, 521846), (468, 381349), (494, 361278), (684, 260923), (741, 240852), (988, 180639), (1482, 120426), (2223, 80284), (2964, 60213), (4446, 40142), (8892, 20071)]