1998705240

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4481}}^1$

素因数の和:4567

約数の個数: 256

約数和(自身を含む): 7744896000

約数和(自身を除く): 5746190760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 59, 60, 63, 70, 72, 84, 90, 105, 108, 118, 120, 126, 135, 140, 168, 177, 180, 189, 210, 216, 236, 252, 270, 280, 295, 315, 354, 360, 378, 413, 420, 472, 504, 531, 540, 590, 630, 708, 756, 826, 840, 885, 945, 1062, 1080, 1180, 1239, 1260, 1416, 1512, 1593, 1652, 1770, 1890, 2065, 2124, 2360, 2478, 2520, 2655, 3186, 3304, 3540, 3717, 3780, 4130, 4248, 4481, 4956, 5310, 6195, 6372, 7080, 7434, 7560, 7965, 8260, 8962, 9912, 10620, 11151, 12390, 12744, 13443, 14868, 15930, 16520, 17924, 18585, 21240, 22302, 22405, 24780, 26886, 29736, 31367, 31860, 35848, 37170, 40329, 44604, 44810, 49560, 53772, 55755, 62734, 63720, 67215, 74340, 80658, 89208, 89620, 94101, 107544, 111510, 120987, 125468, 134430, 148680, 156835, 161316, 179240, 188202, 201645, 223020, 241974, 250936, 264379, 268860, 282303, 313670, 322632, 376404, 403290, 446040, 470505, 483948, 528758, 537720, 564606, 604935, 627340, 752808, 793137, 806580, 846909, 941010, 967896, 1057516, 1129212, 1209870, 1254680, 1321895, 1411515, 1586274, 1613160, 1693818, 1850653, 1882020, 2115032, 2258424, 2379411, 2419740, 2643790, 2823030, 3172548, 3387636, 3701306, 3764040, 3965685, 4234545, 4758822, 4839480, 5287580, 5551959, 5646060, 6345096, 6775272, 7138233, 7402612, 7931370, 8469090, 9253265, 9517644, 10575160, 11103918, 11292120, 11897055, 14276466, 14805224, 15862740, 16655877, 16938180, 18506530, 19035288, 22207836, 23794110, 27759795, 28552932, 31725480, 33311754, 33876360, 35691165, 37013060, 44415672, 47588220, 49967631, 55519590, 57105864, 66623508, 71382330, 74026120, 83279385, 95176440, 99935262, 111039180, 133247016, 142764660, 166558770, 199870524, 222078360, 249838155, 285529320, 333117540, 399741048, 499676310, 666235080, 999352620, 1998705240]

約数ペア:

[(1, 1998705240), (2, 999352620), (3, 666235080), (4, 499676310), (5, 399741048), (6, 333117540), (7, 285529320), (8, 249838155), (9, 222078360), (10, 199870524), (12, 166558770), (14, 142764660), (15, 133247016), (18, 111039180), (20, 99935262), (21, 95176440), (24, 83279385), (27, 74026120), (28, 71382330), (30, 66623508), (35, 57105864), (36, 55519590), (40, 49967631), (42, 47588220), (45, 44415672), (54, 37013060), (56, 35691165), (59, 33876360), (60, 33311754), (63, 31725480), (70, 28552932), (72, 27759795), (84, 23794110), (90, 22207836), (105, 19035288), (108, 18506530), (118, 16938180), (120, 16655877), (126, 15862740), (135, 14805224), (140, 14276466), (168, 11897055), (177, 11292120), (180, 11103918), (189, 10575160), (210, 9517644), (216, 9253265), (236, 8469090), (252, 7931370), (270, 7402612), (280, 7138233), (295, 6775272), (315, 6345096), (354, 5646060), (360, 5551959), (378, 5287580), (413, 4839480), (420, 4758822), (472, 4234545), (504, 3965685), (531, 3764040), (540, 3701306), (590, 3387636), (630, 3172548), (708, 2823030), (756, 2643790), (826, 2419740), (840, 2379411), (885, 2258424), (945, 2115032), (1062, 1882020), (1080, 1850653), (1180, 1693818), (1239, 1613160), (1260, 1586274), (1416, 1411515), (1512, 1321895), (1593, 1254680), (1652, 1209870), (1770, 1129212), (1890, 1057516), (2065, 967896), (2124, 941010), (2360, 846909), (2478, 806580), (2520, 793137), (2655, 752808), (3186, 627340), (3304, 604935), (3540, 564606), (3717, 537720), (3780, 528758), (4130, 483948), (4248, 470505), (4481, 446040), (4956, 403290), (5310, 376404), (6195, 322632), (6372, 313670), (7080, 282303), (7434, 268860), (7560, 264379), (7965, 250936), (8260, 241974), (8962, 223020), (9912, 201645), (10620, 188202), (11151, 179240), (12390, 161316), (12744, 156835), (13443, 148680), (14868, 134430), (15930, 125468), (16520, 120987), (17924, 111510), (18585, 107544), (21240, 94101), (22302, 89620), (22405, 89208), (24780, 80658), (26886, 74340), (29736, 67215), (31367, 63720), (31860, 62734), (35848, 55755), (37170, 53772), (40329, 49560), (44604, 44810)]