1999193760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{23531}}^1$

素因数の和:23611

約数の個数: 144

約数和(自身を含む): 6938174880

約数和(自身を除く): 4938981120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 354, 360, 472, 480, 531, 590, 708, 720, 885, 944, 1062, 1180, 1416, 1440, 1770, 1888, 2124, 2360, 2655, 2832, 3540, 4248, 4720, 5310, 5664, 7080, 8496, 9440, 10620, 14160, 16992, 21240, 23531, 28320, 42480, 47062, 70593, 84960, 94124, 117655, 141186, 188248, 211779, 235310, 282372, 352965, 376496, 423558, 470620, 564744, 705930, 752992, 847116, 941240, 1058895, 1129488, 1388329, 1411860, 1694232, 1882480, 2117790, 2258976, 2776658, 2823720, 3388464, 3764960, 4164987, 4235580, 5553316, 5647440, 6776928, 6941645, 8329974, 8471160, 11106632, 11294880, 12494961, 13883290, 16659948, 16942320, 20824935, 22213264, 24989922, 27766580, 33319896, 33884640, 41649870, 44426528, 49979844, 55533160, 62474805, 66639792, 83299740, 99959688, 111066320, 124949610, 133279584, 166599480, 199919376, 222132640, 249899220, 333198960, 399838752, 499798440, 666397920, 999596880, 1999193760]

約数ペア:

[(1, 1999193760), (2, 999596880), (3, 666397920), (4, 499798440), (5, 399838752), (6, 333198960), (8, 249899220), (9, 222132640), (10, 199919376), (12, 166599480), (15, 133279584), (16, 124949610), (18, 111066320), (20, 99959688), (24, 83299740), (30, 66639792), (32, 62474805), (36, 55533160), (40, 49979844), (45, 44426528), (48, 41649870), (59, 33884640), (60, 33319896), (72, 27766580), (80, 24989922), (90, 22213264), (96, 20824935), (118, 16942320), (120, 16659948), (144, 13883290), (160, 12494961), (177, 11294880), (180, 11106632), (236, 8471160), (240, 8329974), (288, 6941645), (295, 6776928), (354, 5647440), (360, 5553316), (472, 4235580), (480, 4164987), (531, 3764960), (590, 3388464), (708, 2823720), (720, 2776658), (885, 2258976), (944, 2117790), (1062, 1882480), (1180, 1694232), (1416, 1411860), (1440, 1388329), (1770, 1129488), (1888, 1058895), (2124, 941240), (2360, 847116), (2655, 752992), (2832, 705930), (3540, 564744), (4248, 470620), (4720, 423558), (5310, 376496), (5664, 352965), (7080, 282372), (8496, 235310), (9440, 211779), (10620, 188248), (14160, 141186), (16992, 117655), (21240, 94124), (23531, 84960), (28320, 70593), (42480, 47062)]