204553620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19937}}^1$

素因数の和:19974

約数の個数: 96

約数和(自身を含む): 669916800

約数和(自身を除く): 465363180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 19937, 39874, 59811, 79748, 99685, 119622, 179433, 199370, 239244, 299055, 358866, 378803, 398740, 538299, 598110, 717732, 757606, 897165, 1076598, 1136409, 1196220, 1515212, 1794330, 1894015, 2153196, 2272818, 2691495, 3409227, 3588660, 3788030, 4545636, 5382990, 5682045, 6818454, 7576060, 10227681, 10765980, 11364090, 13636908, 17046135, 20455362, 22728180, 34092270, 40910724, 51138405, 68184540, 102276810, 204553620]

約数ペア:

[(1, 204553620), (2, 102276810), (3, 68184540), (4, 51138405), (5, 40910724), (6, 34092270), (9, 22728180), (10, 20455362), (12, 17046135), (15, 13636908), (18, 11364090), (19, 10765980), (20, 10227681), (27, 7576060), (30, 6818454), (36, 5682045), (38, 5382990), (45, 4545636), (54, 3788030), (57, 3588660), (60, 3409227), (76, 2691495), (90, 2272818), (95, 2153196), (108, 1894015), (114, 1794330), (135, 1515212), (171, 1196220), (180, 1136409), (190, 1076598), (228, 897165), (270, 757606), (285, 717732), (342, 598110), (380, 538299), (513, 398740), (540, 378803), (570, 358866), (684, 299055), (855, 239244), (1026, 199370), (1140, 179433), (1710, 119622), (2052, 99685), (2565, 79748), (3420, 59811), (5130, 39874), (10260, 19937)]