87801660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25673}}^1$

素因数の和:25707

約数の個数: 72

約数和(自身を含む): 280360080

約数和(自身を除く): 192558420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 25673, 51346, 77019, 102692, 128365, 154038, 231057, 256730, 308076, 385095, 462114, 487787, 513460, 770190, 924228, 975574, 1155285, 1463361, 1540380, 1951148, 2310570, 2438935, 2926722, 4390083, 4621140, 4877870, 5853444, 7316805, 8780166, 9755740, 14633610, 17560332, 21950415, 29267220, 43900830, 87801660]

約数ペア:

[(1, 87801660), (2, 43900830), (3, 29267220), (4, 21950415), (5, 17560332), (6, 14633610), (9, 9755740), (10, 8780166), (12, 7316805), (15, 5853444), (18, 4877870), (19, 4621140), (20, 4390083), (30, 2926722), (36, 2438935), (38, 2310570), (45, 1951148), (57, 1540380), (60, 1463361), (76, 1155285), (90, 975574), (95, 924228), (114, 770190), (171, 513460), (180, 487787), (190, 462114), (228, 385095), (285, 308076), (342, 256730), (380, 231057), (570, 154038), (684, 128365), (855, 102692), (1140, 77019), (1710, 51346), (3420, 25673)]