388638540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37879}}^1$

素因数の和:37916

約数の個数: 96

約数和(自身を含む): 1272768000

約数和(自身を除く): 884129460

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, 37879, 75758, 113637, 151516, 189395, 227274, 340911, 378790, 454548, 568185, 681822, 719701, 757580, 1022733, 1136370, 1363644, 1439402, 1704555, 2045466, 2159103, 2272740, 2878804, 3409110, 3598505, 4090932, 4318206, 5113665, 6477309, 6818220, 7197010, 8636412, 10227330, 10795515, 12954618, 14394020, 19431927, 20454660, 21591030, 25909236, 32386545, 38863854, 43182060, 64773090, 77727708, 97159635, 129546180, 194319270, 388638540]

約数ペア:

[(1, 388638540), (2, 194319270), (3, 129546180), (4, 97159635), (5, 77727708), (6, 64773090), (9, 43182060), (10, 38863854), (12, 32386545), (15, 25909236), (18, 21591030), (19, 20454660), (20, 19431927), (27, 14394020), (30, 12954618), (36, 10795515), (38, 10227330), (45, 8636412), (54, 7197010), (57, 6818220), (60, 6477309), (76, 5113665), (90, 4318206), (95, 4090932), (108, 3598505), (114, 3409110), (135, 2878804), (171, 2272740), (180, 2159103), (190, 2045466), (228, 1704555), (270, 1439402), (285, 1363644), (342, 1136370), (380, 1022733), (513, 757580), (540, 719701), (570, 681822), (684, 568185), (855, 454548), (1026, 378790), (1140, 340911), (1710, 227274), (2052, 189395), (2565, 151516), (3420, 113637), (5130, 75758), (10260, 37879)]