28431000

素因数分解:

$2^3\times 3^7\times 5^3\times {\mathrm{13}}^1$

素因数の和:55

約数の個数: 256

約数和(自身を含む): 107452800

約数和(自身を除く): 79021800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 50, 52, 54, 60, 65, 72, 75, 78, 81, 90, 100, 104, 108, 117, 120, 125, 130, 135, 150, 156, 162, 180, 195, 200, 216, 225, 234, 243, 250, 260, 270, 300, 312, 324, 325, 351, 360, 375, 390, 405, 450, 468, 486, 500, 520, 540, 585, 600, 648, 650, 675, 702, 729, 750, 780, 810, 900, 936, 972, 975, 1000, 1053, 1080, 1125, 1170, 1215, 1300, 1350, 1404, 1458, 1500, 1560, 1620, 1625, 1755, 1800, 1944, 1950, 2025, 2106, 2187, 2250, 2340, 2430, 2600, 2700, 2808, 2916, 2925, 3000, 3159, 3240, 3250, 3375, 3510, 3645, 3900, 4050, 4212, 4374, 4500, 4680, 4860, 4875, 5265, 5400, 5832, 5850, 6075, 6318, 6500, 6750, 7020, 7290, 7800, 8100, 8424, 8748, 8775, 9000, 9477, 9720, 9750, 10125, 10530, 10935, 11700, 12150, 12636, 13000, 13500, 14040, 14580, 14625, 15795, 16200, 17496, 17550, 18225, 18954, 19500, 20250, 21060, 21870, 23400, 24300, 25272, 26325, 27000, 28431, 29160, 29250, 30375, 31590, 35100, 36450, 37908, 39000, 40500, 42120, 43740, 43875, 47385, 48600, 52650, 54675, 56862, 58500, 60750, 63180, 70200, 72900, 75816, 78975, 81000, 87480, 87750, 91125, 94770, 105300, 109350, 113724, 117000, 121500, 126360, 131625, 142155, 145800, 157950, 175500, 182250, 189540, 210600, 218700, 227448, 236925, 243000, 263250, 273375, 284310, 315900, 351000, 364500, 379080, 394875, 437400, 473850, 526500, 546750, 568620, 631800, 710775, 729000, 789750, 947700, 1053000, 1093500, 1137240, 1184625, 1421550, 1579500, 1895400, 2187000, 2369250, 2843100, 3159000, 3553875, 4738500, 5686200, 7107750, 9477000, 14215500, 28431000]

約数ペア:

[(1, 28431000), (2, 14215500), (3, 9477000), (4, 7107750), (5, 5686200), (6, 4738500), (8, 3553875), (9, 3159000), (10, 2843100), (12, 2369250), (13, 2187000), (15, 1895400), (18, 1579500), (20, 1421550), (24, 1184625), (25, 1137240), (26, 1093500), (27, 1053000), (30, 947700), (36, 789750), (39, 729000), (40, 710775), (45, 631800), (50, 568620), (52, 546750), (54, 526500), (60, 473850), (65, 437400), (72, 394875), (75, 379080), (78, 364500), (81, 351000), (90, 315900), (100, 284310), (104, 273375), (108, 263250), (117, 243000), (120, 236925), (125, 227448), (130, 218700), (135, 210600), (150, 189540), (156, 182250), (162, 175500), (180, 157950), (195, 145800), (200, 142155), (216, 131625), (225, 126360), (234, 121500), (243, 117000), (250, 113724), (260, 109350), (270, 105300), (300, 94770), (312, 91125), (324, 87750), (325, 87480), (351, 81000), (360, 78975), (375, 75816), (390, 72900), (405, 70200), (450, 63180), (468, 60750), (486, 58500), (500, 56862), (520, 54675), (540, 52650), (585, 48600), (600, 47385), (648, 43875), (650, 43740), (675, 42120), (702, 40500), (729, 39000), (750, 37908), (780, 36450), (810, 35100), (900, 31590), (936, 30375), (972, 29250), (975, 29160), (1000, 28431), (1053, 27000), (1080, 26325), (1125, 25272), (1170, 24300), (1215, 23400), (1300, 21870), (1350, 21060), (1404, 20250), (1458, 19500), (1500, 18954), (1560, 18225), (1620, 17550), (1625, 17496), (1755, 16200), (1800, 15795), (1944, 14625), (1950, 14580), (2025, 14040), (2106, 13500), (2187, 13000), (2250, 12636), (2340, 12150), (2430, 11700), (2600, 10935), (2700, 10530), (2808, 10125), (2916, 9750), (2925, 9720), (3000, 9477), (3159, 9000), (3240, 8775), (3250, 8748), (3375, 8424), (3510, 8100), (3645, 7800), (3900, 7290), (4050, 7020), (4212, 6750), (4374, 6500), (4500, 6318), (4680, 6075), (4860, 5850), (4875, 5832), (5265, 5400)]