1999544640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67189}}^1$

素因数の和:67240

約数の個数: 112

約数和(自身を含む): 6553443840

約数和(自身を除く): 4553899200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7440, 9920, 14880, 29760, 67189, 134378, 201567, 268756, 335945, 403134, 537512, 671890, 806268, 1007835, 1075024, 1343780, 1612536, 2015670, 2082859, 2150048, 2687560, 3225072, 4031340, 4165718, 4300096, 5375120, 6248577, 6450144, 8062680, 8331436, 10414295, 10750240, 12497154, 12900288, 16125360, 16662872, 20828590, 21500480, 24994308, 31242885, 32250720, 33325744, 41657180, 49988616, 62485770, 64501440, 66651488, 83314360, 99977232, 124971540, 133302976, 166628720, 199954464, 249943080, 333257440, 399908928, 499886160, 666514880, 999772320, 1999544640]

約数ペア:

[(1, 1999544640), (2, 999772320), (3, 666514880), (4, 499886160), (5, 399908928), (6, 333257440), (8, 249943080), (10, 199954464), (12, 166628720), (15, 133302976), (16, 124971540), (20, 99977232), (24, 83314360), (30, 66651488), (31, 64501440), (32, 62485770), (40, 49988616), (48, 41657180), (60, 33325744), (62, 32250720), (64, 31242885), (80, 24994308), (93, 21500480), (96, 20828590), (120, 16662872), (124, 16125360), (155, 12900288), (160, 12497154), (186, 10750240), (192, 10414295), (240, 8331436), (248, 8062680), (310, 6450144), (320, 6248577), (372, 5375120), (465, 4300096), (480, 4165718), (496, 4031340), (620, 3225072), (744, 2687560), (930, 2150048), (960, 2082859), (992, 2015670), (1240, 1612536), (1488, 1343780), (1860, 1075024), (1984, 1007835), (2480, 806268), (2976, 671890), (3720, 537512), (4960, 403134), (5952, 335945), (7440, 268756), (9920, 201567), (14880, 134378), (29760, 67189)]