68343750

素因数分解:

$2^1\times 3^7\times 5^6$

素因数の和:53

約数の個数: 112

約数和(自身を含む): 192185040

約数和(自身を除く): 123841290

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 243, 250, 270, 375, 405, 450, 486, 625, 675, 729, 750, 810, 1125, 1215, 1250, 1350, 1458, 1875, 2025, 2187, 2250, 2430, 3125, 3375, 3645, 3750, 4050, 4374, 5625, 6075, 6250, 6750, 7290, 9375, 10125, 10935, 11250, 12150, 15625, 16875, 18225, 18750, 20250, 21870, 28125, 30375, 31250, 33750, 36450, 46875, 50625, 54675, 56250, 60750, 84375, 91125, 93750, 101250, 109350, 140625, 151875, 168750, 182250, 253125, 273375, 281250, 303750, 421875, 455625, 506250, 546750, 759375, 843750, 911250, 1265625, 1366875, 1518750, 2278125, 2531250, 2733750, 3796875, 4556250, 6834375, 7593750, 11390625, 13668750, 22781250, 34171875, 68343750]

約数ペア:

[(1, 68343750), (2, 34171875), (3, 22781250), (5, 13668750), (6, 11390625), (9, 7593750), (10, 6834375), (15, 4556250), (18, 3796875), (25, 2733750), (27, 2531250), (30, 2278125), (45, 1518750), (50, 1366875), (54, 1265625), (75, 911250), (81, 843750), (90, 759375), (125, 546750), (135, 506250), (150, 455625), (162, 421875), (225, 303750), (243, 281250), (250, 273375), (270, 253125), (375, 182250), (405, 168750), (450, 151875), (486, 140625), (625, 109350), (675, 101250), (729, 93750), (750, 91125), (810, 84375), (1125, 60750), (1215, 56250), (1250, 54675), (1350, 50625), (1458, 46875), (1875, 36450), (2025, 33750), (2187, 31250), (2250, 30375), (2430, 28125), (3125, 21870), (3375, 20250), (3645, 18750), (3750, 18225), (4050, 16875), (4374, 15625), (5625, 12150), (6075, 11250), (6250, 10935), (6750, 10125), (7290, 9375)]