1999380960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44789}}^1$

素因数の和:44841

約数の個数: 144

約数和(自身を含む): 7043137920

約数和(自身を除く): 5043756960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 7440, 8928, 11160, 14880, 22320, 44640, 44789, 89578, 134367, 179156, 223945, 268734, 358312, 403101, 447890, 537468, 671835, 716624, 806202, 895780, 1074936, 1343670, 1388459, 1433248, 1612404, 1791560, 2015505, 2149872, 2687340, 2776918, 3224808, 3583120, 4031010, 4165377, 4299744, 5374680, 5553836, 6449616, 6942295, 7166240, 8062020, 8330754, 10749360, 11107672, 12496131, 12899232, 13884590, 16124040, 16661508, 20826885, 21498720, 22215344, 24992262, 27769180, 32248080, 33323016, 41653770, 44430688, 49984524, 55538360, 62480655, 64496160, 66646032, 83307540, 99969048, 111076720, 124961310, 133292064, 166615080, 199938096, 222153440, 249922620, 333230160, 399876192, 499845240, 666460320, 999690480, 1999380960]

約数ペア:

[(1, 1999380960), (2, 999690480), (3, 666460320), (4, 499845240), (5, 399876192), (6, 333230160), (8, 249922620), (9, 222153440), (10, 199938096), (12, 166615080), (15, 133292064), (16, 124961310), (18, 111076720), (20, 99969048), (24, 83307540), (30, 66646032), (31, 64496160), (32, 62480655), (36, 55538360), (40, 49984524), (45, 44430688), (48, 41653770), (60, 33323016), (62, 32248080), (72, 27769180), (80, 24992262), (90, 22215344), (93, 21498720), (96, 20826885), (120, 16661508), (124, 16124040), (144, 13884590), (155, 12899232), (160, 12496131), (180, 11107672), (186, 10749360), (240, 8330754), (248, 8062020), (279, 7166240), (288, 6942295), (310, 6449616), (360, 5553836), (372, 5374680), (465, 4299744), (480, 4165377), (496, 4031010), (558, 3583120), (620, 3224808), (720, 2776918), (744, 2687340), (930, 2149872), (992, 2015505), (1116, 1791560), (1240, 1612404), (1395, 1433248), (1440, 1388459), (1488, 1343670), (1860, 1074936), (2232, 895780), (2480, 806202), (2790, 716624), (2976, 671835), (3720, 537468), (4464, 447890), (4960, 403101), (5580, 358312), (7440, 268734), (8928, 223945), (11160, 179156), (14880, 134367), (22320, 89578), (44640, 44789)]