420400800

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{19463}}^1$

素因数の和:19492

約数の個数: 144

約数和(自身を含む): 1520527680

約数和(自身を除く): 1100126880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 96, 100, 108, 120, 135, 144, 150, 160, 180, 200, 216, 225, 240, 270, 288, 300, 360, 400, 432, 450, 480, 540, 600, 675, 720, 800, 864, 900, 1080, 1200, 1350, 1440, 1800, 2160, 2400, 2700, 3600, 4320, 5400, 7200, 10800, 19463, 21600, 38926, 58389, 77852, 97315, 116778, 155704, 175167, 194630, 233556, 291945, 311408, 350334, 389260, 467112, 486575, 525501, 583890, 622816, 700668, 778520, 875835, 934224, 973150, 1051002, 1167780, 1401336, 1459725, 1557040, 1751670, 1868448, 1946300, 2102004, 2335560, 2627505, 2802672, 2919450, 3114080, 3503340, 3892600, 4204008, 4379175, 4671120, 5255010, 5605344, 5838900, 7006680, 7785200, 8408016, 8758350, 9342240, 10510020, 11677800, 13137525, 14013360, 15570400, 16816032, 17516700, 21020040, 23355600, 26275050, 28026720, 35033400, 42040080, 46711200, 52550100, 70066800, 84080160, 105100200, 140133600, 210200400, 420400800]

約数ペア:

[(1, 420400800), (2, 210200400), (3, 140133600), (4, 105100200), (5, 84080160), (6, 70066800), (8, 52550100), (9, 46711200), (10, 42040080), (12, 35033400), (15, 28026720), (16, 26275050), (18, 23355600), (20, 21020040), (24, 17516700), (25, 16816032), (27, 15570400), (30, 14013360), (32, 13137525), (36, 11677800), (40, 10510020), (45, 9342240), (48, 8758350), (50, 8408016), (54, 7785200), (60, 7006680), (72, 5838900), (75, 5605344), (80, 5255010), (90, 4671120), (96, 4379175), (100, 4204008), (108, 3892600), (120, 3503340), (135, 3114080), (144, 2919450), (150, 2802672), (160, 2627505), (180, 2335560), (200, 2102004), (216, 1946300), (225, 1868448), (240, 1751670), (270, 1557040), (288, 1459725), (300, 1401336), (360, 1167780), (400, 1051002), (432, 973150), (450, 934224), (480, 875835), (540, 778520), (600, 700668), (675, 622816), (720, 583890), (800, 525501), (864, 486575), (900, 467112), (1080, 389260), (1200, 350334), (1350, 311408), (1440, 291945), (1800, 233556), (2160, 194630), (2400, 175167), (2700, 155704), (3600, 116778), (4320, 97315), (5400, 77852), (7200, 58389), (10800, 38926), (19463, 21600)]