39911940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:439

約数の個数: 120

約数和(自身を含む): 127334592

約数和(自身を除く): 87422652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 347, 355, 405, 426, 540, 639, 694, 710, 810, 852, 1041, 1065, 1278, 1388, 1420, 1620, 1735, 1917, 2082, 2130, 2556, 3123, 3195, 3470, 3834, 4164, 4260, 5205, 5751, 6246, 6390, 6940, 7668, 9369, 9585, 10410, 11502, 12492, 12780, 15615, 18738, 19170, 20820, 23004, 24637, 28107, 28755, 31230, 37476, 38340, 46845, 49274, 56214, 57510, 62460, 73911, 93690, 98548, 112428, 115020, 123185, 140535, 147822, 187380, 221733, 246370, 281070, 295644, 369555, 443466, 492740, 562140, 665199, 739110, 886932, 1108665, 1330398, 1478220, 1995597, 2217330, 2660796, 3325995, 3991194, 4434660, 6651990, 7982388, 9977985, 13303980, 19955970, 39911940]

約数ペア:

[(1, 39911940), (2, 19955970), (3, 13303980), (4, 9977985), (5, 7982388), (6, 6651990), (9, 4434660), (10, 3991194), (12, 3325995), (15, 2660796), (18, 2217330), (20, 1995597), (27, 1478220), (30, 1330398), (36, 1108665), (45, 886932), (54, 739110), (60, 665199), (71, 562140), (81, 492740), (90, 443466), (108, 369555), (135, 295644), (142, 281070), (162, 246370), (180, 221733), (213, 187380), (270, 147822), (284, 140535), (324, 123185), (347, 115020), (355, 112428), (405, 98548), (426, 93690), (540, 73911), (639, 62460), (694, 57510), (710, 56214), (810, 49274), (852, 46845), (1041, 38340), (1065, 37476), (1278, 31230), (1388, 28755), (1420, 28107), (1620, 24637), (1735, 23004), (1917, 20820), (2082, 19170), (2130, 18738), (2556, 15615), (3123, 12780), (3195, 12492), (3470, 11502), (3834, 10410), (4164, 9585), (4260, 9369), (5205, 7668), (5751, 6940), (6246, 6390)]