81415380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4201}}^1$

素因数の和:4249

約数の個数: 96

約数和(自身を含む): 254136960

約数和(自身を除く): 172721580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1615, 1938, 3230, 3876, 4201, 4845, 6460, 8402, 9690, 12603, 16804, 19380, 21005, 25206, 42010, 50412, 63015, 71417, 79819, 84020, 126030, 142834, 159638, 214251, 239457, 252060, 285668, 319276, 357085, 399095, 428502, 478914, 714170, 798190, 857004, 957828, 1071255, 1197285, 1356923, 1428340, 1596380, 2142510, 2394570, 2713846, 4070769, 4285020, 4789140, 5427692, 6784615, 8141538, 13569230, 16283076, 20353845, 27138460, 40707690, 81415380]

約数ペア:

[(1, 81415380), (2, 40707690), (3, 27138460), (4, 20353845), (5, 16283076), (6, 13569230), (10, 8141538), (12, 6784615), (15, 5427692), (17, 4789140), (19, 4285020), (20, 4070769), (30, 2713846), (34, 2394570), (38, 2142510), (51, 1596380), (57, 1428340), (60, 1356923), (68, 1197285), (76, 1071255), (85, 957828), (95, 857004), (102, 798190), (114, 714170), (170, 478914), (190, 428502), (204, 399095), (228, 357085), (255, 319276), (285, 285668), (323, 252060), (340, 239457), (380, 214251), (510, 159638), (570, 142834), (646, 126030), (969, 84020), (1020, 79819), (1140, 71417), (1292, 63015), (1615, 50412), (1938, 42010), (3230, 25206), (3876, 21005), (4201, 19380), (4845, 16804), (6460, 12603), (8402, 9690)]