257507640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18341}}^1$

素因数の和:18374

約数の個数: 128

約数和(自身を含む): 924436800

約数和(自身を除く): 666929160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 18341, 36682, 55023, 73364, 91705, 110046, 146728, 165069, 183410, 220092, 238433, 275115, 330138, 366820, 440184, 476866, 495207, 550230, 660276, 715299, 733640, 825345, 953732, 990414, 1100460, 1192165, 1320552, 1430598, 1650690, 1907464, 1980828, 2145897, 2200920, 2384330, 2476035, 2861196, 3301380, 3576495, 3961656, 4291794, 4768660, 4952070, 5722392, 6437691, 6602760, 7152990, 8583588, 9537320, 9904140, 10729485, 12875382, 14305980, 17167176, 19808280, 21458970, 25750764, 28611960, 32188455, 42917940, 51501528, 64376910, 85835880, 128753820, 257507640]

約数ペア:

[(1, 257507640), (2, 128753820), (3, 85835880), (4, 64376910), (5, 51501528), (6, 42917940), (8, 32188455), (9, 28611960), (10, 25750764), (12, 21458970), (13, 19808280), (15, 17167176), (18, 14305980), (20, 12875382), (24, 10729485), (26, 9904140), (27, 9537320), (30, 8583588), (36, 7152990), (39, 6602760), (40, 6437691), (45, 5722392), (52, 4952070), (54, 4768660), (60, 4291794), (65, 3961656), (72, 3576495), (78, 3301380), (90, 2861196), (104, 2476035), (108, 2384330), (117, 2200920), (120, 2145897), (130, 1980828), (135, 1907464), (156, 1650690), (180, 1430598), (195, 1320552), (216, 1192165), (234, 1100460), (260, 990414), (270, 953732), (312, 825345), (351, 733640), (360, 715299), (390, 660276), (468, 550230), (520, 495207), (540, 476866), (585, 440184), (702, 366820), (780, 330138), (936, 275115), (1080, 238433), (1170, 220092), (1404, 183410), (1560, 165069), (1755, 146728), (2340, 110046), (2808, 91705), (3510, 73364), (4680, 55023), (7020, 36682), (14040, 18341)]