81708750

素因数分解:

$2^1\times 3^5\times 5^4\times {\mathrm{269}}^1$

素因数の和:306

約数の個数: 120

約数和(自身を含む): 230270040

約数和(自身を除く): 148561290

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, 269, 270, 375, 405, 450, 486, 538, 625, 675, 750, 807, 810, 1125, 1215, 1250, 1345, 1350, 1614, 1875, 2025, 2250, 2421, 2430, 2690, 3375, 3750, 4035, 4050, 4842, 5625, 6075, 6725, 6750, 7263, 8070, 10125, 11250, 12105, 12150, 13450, 14526, 16875, 20175, 20250, 21789, 24210, 30375, 33625, 33750, 36315, 40350, 43578, 50625, 60525, 60750, 65367, 67250, 72630, 100875, 101250, 108945, 121050, 130734, 151875, 168125, 181575, 201750, 217890, 302625, 303750, 326835, 336250, 363150, 504375, 544725, 605250, 653670, 907875, 1008750, 1089450, 1513125, 1634175, 1815750, 2723625, 3026250, 3268350, 4539375, 5447250, 8170875, 9078750, 13618125, 16341750, 27236250, 40854375, 81708750]

約数ペア:

[(1, 81708750), (2, 40854375), (3, 27236250), (5, 16341750), (6, 13618125), (9, 9078750), (10, 8170875), (15, 5447250), (18, 4539375), (25, 3268350), (27, 3026250), (30, 2723625), (45, 1815750), (50, 1634175), (54, 1513125), (75, 1089450), (81, 1008750), (90, 907875), (125, 653670), (135, 605250), (150, 544725), (162, 504375), (225, 363150), (243, 336250), (250, 326835), (269, 303750), (270, 302625), (375, 217890), (405, 201750), (450, 181575), (486, 168125), (538, 151875), (625, 130734), (675, 121050), (750, 108945), (807, 101250), (810, 100875), (1125, 72630), (1215, 67250), (1250, 65367), (1345, 60750), (1350, 60525), (1614, 50625), (1875, 43578), (2025, 40350), (2250, 36315), (2421, 33750), (2430, 33625), (2690, 30375), (3375, 24210), (3750, 21789), (4035, 20250), (4050, 20175), (4842, 16875), (5625, 14526), (6075, 13450), (6725, 12150), (6750, 12105), (7263, 11250), (8070, 10125)]