79987500

素因数分解:

$2^2\times 3^4\times 5^5\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 180

約数和(自身を含む): 264670560

約数和(自身を除く): 184683060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 79, 81, 90, 100, 108, 125, 135, 150, 158, 162, 180, 225, 237, 250, 270, 300, 316, 324, 375, 395, 405, 450, 474, 500, 540, 625, 675, 711, 750, 790, 810, 900, 948, 1125, 1185, 1250, 1350, 1422, 1500, 1580, 1620, 1875, 1975, 2025, 2133, 2250, 2370, 2500, 2700, 2844, 3125, 3375, 3555, 3750, 3950, 4050, 4266, 4500, 4740, 5625, 5925, 6250, 6399, 6750, 7110, 7500, 7900, 8100, 8532, 9375, 9875, 10125, 10665, 11250, 11850, 12500, 12798, 13500, 14220, 16875, 17775, 18750, 19750, 20250, 21330, 22500, 23700, 25596, 28125, 29625, 31995, 33750, 35550, 37500, 39500, 40500, 42660, 49375, 50625, 53325, 56250, 59250, 63990, 67500, 71100, 84375, 88875, 98750, 101250, 106650, 112500, 118500, 127980, 148125, 159975, 168750, 177750, 197500, 202500, 213300, 246875, 253125, 266625, 296250, 319950, 337500, 355500, 444375, 493750, 506250, 533250, 592500, 639900, 740625, 799875, 888750, 987500, 1012500, 1066500, 1333125, 1481250, 1599750, 1777500, 2221875, 2666250, 2962500, 3199500, 3999375, 4443750, 5332500, 6665625, 7998750, 8887500, 13331250, 15997500, 19996875, 26662500, 39993750, 79987500]

約数ペア:

[(1, 79987500), (2, 39993750), (3, 26662500), (4, 19996875), (5, 15997500), (6, 13331250), (9, 8887500), (10, 7998750), (12, 6665625), (15, 5332500), (18, 4443750), (20, 3999375), (25, 3199500), (27, 2962500), (30, 2666250), (36, 2221875), (45, 1777500), (50, 1599750), (54, 1481250), (60, 1333125), (75, 1066500), (79, 1012500), (81, 987500), (90, 888750), (100, 799875), (108, 740625), (125, 639900), (135, 592500), (150, 533250), (158, 506250), (162, 493750), (180, 444375), (225, 355500), (237, 337500), (250, 319950), (270, 296250), (300, 266625), (316, 253125), (324, 246875), (375, 213300), (395, 202500), (405, 197500), (450, 177750), (474, 168750), (500, 159975), (540, 148125), (625, 127980), (675, 118500), (711, 112500), (750, 106650), (790, 101250), (810, 98750), (900, 88875), (948, 84375), (1125, 71100), (1185, 67500), (1250, 63990), (1350, 59250), (1422, 56250), (1500, 53325), (1580, 50625), (1620, 49375), (1875, 42660), (1975, 40500), (2025, 39500), (2133, 37500), (2250, 35550), (2370, 33750), (2500, 31995), (2700, 29625), (2844, 28125), (3125, 25596), (3375, 23700), (3555, 22500), (3750, 21330), (3950, 20250), (4050, 19750), (4266, 18750), (4500, 17775), (4740, 16875), (5625, 14220), (5925, 13500), (6250, 12798), (6399, 12500), (6750, 11850), (7110, 11250), (7500, 10665), (7900, 10125), (8100, 9875), (8532, 9375)]