39891840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:364

約数の個数: 128

約数和(自身を含む): 129254400

約数和(自身を除く): 89362560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 263, 316, 320, 384, 395, 474, 480, 526, 632, 640, 789, 790, 948, 960, 1052, 1185, 1264, 1315, 1578, 1580, 1896, 1920, 2104, 2370, 2528, 2630, 3156, 3160, 3792, 3945, 4208, 4740, 5056, 5260, 6312, 6320, 7584, 7890, 8416, 9480, 10112, 10520, 12624, 12640, 15168, 15780, 16832, 18960, 20777, 21040, 25248, 25280, 30336, 31560, 33664, 37920, 41554, 42080, 50496, 50560, 62331, 63120, 75840, 83108, 84160, 100992, 103885, 124662, 126240, 151680, 166216, 168320, 207770, 249324, 252480, 311655, 332432, 415540, 498648, 504960, 623310, 664864, 831080, 997296, 1246620, 1329728, 1662160, 1994592, 2493240, 2659456, 3324320, 3989184, 4986480, 6648640, 7978368, 9972960, 13297280, 19945920, 39891840]

約数ペア:

[(1, 39891840), (2, 19945920), (3, 13297280), (4, 9972960), (5, 7978368), (6, 6648640), (8, 4986480), (10, 3989184), (12, 3324320), (15, 2659456), (16, 2493240), (20, 1994592), (24, 1662160), (30, 1329728), (32, 1246620), (40, 997296), (48, 831080), (60, 664864), (64, 623310), (79, 504960), (80, 498648), (96, 415540), (120, 332432), (128, 311655), (158, 252480), (160, 249324), (192, 207770), (237, 168320), (240, 166216), (263, 151680), (316, 126240), (320, 124662), (384, 103885), (395, 100992), (474, 84160), (480, 83108), (526, 75840), (632, 63120), (640, 62331), (789, 50560), (790, 50496), (948, 42080), (960, 41554), (1052, 37920), (1185, 33664), (1264, 31560), (1315, 30336), (1578, 25280), (1580, 25248), (1896, 21040), (1920, 20777), (2104, 18960), (2370, 16832), (2528, 15780), (2630, 15168), (3156, 12640), (3160, 12624), (3792, 10520), (3945, 10112), (4208, 9480), (4740, 8416), (5056, 7890), (5260, 7584), (6312, 6320)]