128003850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21881}}^1$

素因数の和:21912

約数の個数: 72

約数和(自身を含む): 370374732

約数和(自身を除く): 242370882

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 5850, 21881, 43762, 65643, 109405, 131286, 196929, 218810, 284453, 328215, 393858, 547025, 568906, 656430, 853359, 984645, 1094050, 1422265, 1641075, 1706718, 1969290, 2560077, 2844530, 3282150, 4266795, 4923225, 5120154, 7111325, 8533590, 9846450, 12800385, 14222650, 21333975, 25600770, 42667950, 64001925, 128003850]

約数ペア:

[(1, 128003850), (2, 64001925), (3, 42667950), (5, 25600770), (6, 21333975), (9, 14222650), (10, 12800385), (13, 9846450), (15, 8533590), (18, 7111325), (25, 5120154), (26, 4923225), (30, 4266795), (39, 3282150), (45, 2844530), (50, 2560077), (65, 1969290), (75, 1706718), (78, 1641075), (90, 1422265), (117, 1094050), (130, 984645), (150, 853359), (195, 656430), (225, 568906), (234, 547025), (325, 393858), (390, 328215), (450, 284453), (585, 218810), (650, 196929), (975, 131286), (1170, 109405), (1950, 65643), (2925, 43762), (5850, 21881)]