399854880

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{30853}}^1$

素因数の和:30880

約数の個数: 120

約数和(自身を含む): 1411200252

約数和(自身を除く): 1011345372

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 270, 288, 324, 360, 405, 432, 480, 540, 648, 720, 810, 864, 1080, 1296, 1440, 1620, 2160, 2592, 3240, 4320, 6480, 12960, 30853, 61706, 92559, 123412, 154265, 185118, 246824, 277677, 308530, 370236, 462795, 493648, 555354, 617060, 740472, 833031, 925590, 987296, 1110708, 1234120, 1388385, 1480944, 1666062, 1851180, 2221416, 2468240, 2499093, 2776770, 2961888, 3332124, 3702360, 4165155, 4442832, 4936480, 4998186, 5553540, 6664248, 7404720, 8330310, 8885664, 9996372, 11107080, 12495465, 13328496, 14809440, 16660620, 19992744, 22214160, 24990930, 26656992, 33321240, 39985488, 44428320, 49981860, 66642480, 79970976, 99963720, 133284960, 199927440, 399854880]

約数ペア:

[(1, 399854880), (2, 199927440), (3, 133284960), (4, 99963720), (5, 79970976), (6, 66642480), (8, 49981860), (9, 44428320), (10, 39985488), (12, 33321240), (15, 26656992), (16, 24990930), (18, 22214160), (20, 19992744), (24, 16660620), (27, 14809440), (30, 13328496), (32, 12495465), (36, 11107080), (40, 9996372), (45, 8885664), (48, 8330310), (54, 7404720), (60, 6664248), (72, 5553540), (80, 4998186), (81, 4936480), (90, 4442832), (96, 4165155), (108, 3702360), (120, 3332124), (135, 2961888), (144, 2776770), (160, 2499093), (162, 2468240), (180, 2221416), (216, 1851180), (240, 1666062), (270, 1480944), (288, 1388385), (324, 1234120), (360, 1110708), (405, 987296), (432, 925590), (480, 833031), (540, 740472), (648, 617060), (720, 555354), (810, 493648), (864, 462795), (1080, 370236), (1296, 308530), (1440, 277677), (1620, 246824), (2160, 185118), (2592, 154265), (3240, 123412), (4320, 92559), (6480, 61706), (12960, 30853)]