1728893400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{221653}}^1$

素因数の和:221685

約数の個数: 96

約数和(自身を含む): 5771870160

約数和(自身を除く): 4042976760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800, 221653, 443306, 664959, 886612, 1108265, 1329918, 1773224, 2216530, 2659836, 2881489, 3324795, 4433060, 5319672, 5541325, 5762978, 6649590, 8644467, 8866120, 11082650, 11525956, 13299180, 14407445, 16623975, 17288934, 22165300, 23051912, 26598360, 28814890, 33247950, 34577868, 43222335, 44330600, 57629780, 66495900, 69155736, 72037225, 86444670, 115259560, 132991800, 144074450, 172889340, 216111675, 288148900, 345778680, 432223350, 576297800, 864446700, 1728893400]

約数ペア:

[(1, 1728893400), (2, 864446700), (3, 576297800), (4, 432223350), (5, 345778680), (6, 288148900), (8, 216111675), (10, 172889340), (12, 144074450), (13, 132991800), (15, 115259560), (20, 86444670), (24, 72037225), (25, 69155736), (26, 66495900), (30, 57629780), (39, 44330600), (40, 43222335), (50, 34577868), (52, 33247950), (60, 28814890), (65, 26598360), (75, 23051912), (78, 22165300), (100, 17288934), (104, 16623975), (120, 14407445), (130, 13299180), (150, 11525956), (156, 11082650), (195, 8866120), (200, 8644467), (260, 6649590), (300, 5762978), (312, 5541325), (325, 5319672), (390, 4433060), (520, 3324795), (600, 2881489), (650, 2659836), (780, 2216530), (975, 1773224), (1300, 1329918), (1560, 1108265), (1950, 886612), (2600, 664959), (3900, 443306), (7800, 221653)]