207978030

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19751}}^1$

素因数の和:19783

約数の個数: 80

約数和(自身を含む): 602277984

約数和(自身を除く): 394299954

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 2106, 3510, 5265, 10530, 19751, 39502, 59253, 98755, 118506, 177759, 197510, 256763, 296265, 355518, 513526, 533277, 592530, 770289, 888795, 1066554, 1283815, 1540578, 1599831, 1777590, 2310867, 2567630, 2666385, 3199662, 3851445, 4621734, 5332770, 6932601, 7702890, 7999155, 11554335, 13865202, 15998310, 20797803, 23108670, 34663005, 41595606, 69326010, 103989015, 207978030]

約数ペア:

[(1, 207978030), (2, 103989015), (3, 69326010), (5, 41595606), (6, 34663005), (9, 23108670), (10, 20797803), (13, 15998310), (15, 13865202), (18, 11554335), (26, 7999155), (27, 7702890), (30, 6932601), (39, 5332770), (45, 4621734), (54, 3851445), (65, 3199662), (78, 2666385), (81, 2567630), (90, 2310867), (117, 1777590), (130, 1599831), (135, 1540578), (162, 1283815), (195, 1066554), (234, 888795), (270, 770289), (351, 592530), (390, 533277), (405, 513526), (585, 355518), (702, 296265), (810, 256763), (1053, 197510), (1170, 177759), (1755, 118506), (2106, 98755), (3510, 59253), (5265, 39502), (10530, 19751)]