28976940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:629

約数の個数: 120

約数和(自身を含む): 93996672

約数和(自身を除く): 65019732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 270, 279, 310, 324, 372, 405, 465, 540, 558, 577, 620, 810, 837, 930, 1116, 1154, 1395, 1620, 1674, 1731, 1860, 2308, 2511, 2790, 2885, 3348, 3462, 4185, 5022, 5193, 5580, 5770, 6924, 8370, 8655, 10044, 10386, 11540, 12555, 15579, 16740, 17310, 17887, 20772, 25110, 25965, 31158, 34620, 35774, 46737, 50220, 51930, 53661, 62316, 71548, 77895, 89435, 93474, 103860, 107322, 155790, 160983, 178870, 186948, 214644, 233685, 268305, 311580, 321966, 357740, 467370, 482949, 536610, 643932, 804915, 934740, 965898, 1073220, 1448847, 1609830, 1931796, 2414745, 2897694, 3219660, 4829490, 5795388, 7244235, 9658980, 14488470, 28976940]

約数ペア:

[(1, 28976940), (2, 14488470), (3, 9658980), (4, 7244235), (5, 5795388), (6, 4829490), (9, 3219660), (10, 2897694), (12, 2414745), (15, 1931796), (18, 1609830), (20, 1448847), (27, 1073220), (30, 965898), (31, 934740), (36, 804915), (45, 643932), (54, 536610), (60, 482949), (62, 467370), (81, 357740), (90, 321966), (93, 311580), (108, 268305), (124, 233685), (135, 214644), (155, 186948), (162, 178870), (180, 160983), (186, 155790), (270, 107322), (279, 103860), (310, 93474), (324, 89435), (372, 77895), (405, 71548), (465, 62316), (540, 53661), (558, 51930), (577, 50220), (620, 46737), (810, 35774), (837, 34620), (930, 31158), (1116, 25965), (1154, 25110), (1395, 20772), (1620, 17887), (1674, 17310), (1731, 16740), (1860, 15579), (2308, 12555), (2511, 11540), (2790, 10386), (2885, 10044), (3348, 8655), (3462, 8370), (4185, 6924), (5022, 5770), (5193, 5580)]