20760720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3761}}^1$

素因数の和:3800

約数の個数: 80

約数和(自身を含む): 67174272

約数和(自身を除く): 46413552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3761, 5520, 7522, 11283, 15044, 18805, 22566, 30088, 37610, 45132, 56415, 60176, 75220, 86503, 90264, 112830, 150440, 173006, 180528, 225660, 259509, 300880, 346012, 432515, 451320, 519018, 692024, 865030, 902640, 1038036, 1297545, 1384048, 1730060, 2076072, 2595090, 3460120, 4152144, 5190180, 6920240, 10380360, 20760720]

約数ペア:

[(1, 20760720), (2, 10380360), (3, 6920240), (4, 5190180), (5, 4152144), (6, 3460120), (8, 2595090), (10, 2076072), (12, 1730060), (15, 1384048), (16, 1297545), (20, 1038036), (23, 902640), (24, 865030), (30, 692024), (40, 519018), (46, 451320), (48, 432515), (60, 346012), (69, 300880), (80, 259509), (92, 225660), (115, 180528), (120, 173006), (138, 150440), (184, 112830), (230, 90264), (240, 86503), (276, 75220), (345, 60176), (368, 56415), (460, 45132), (552, 37610), (690, 30088), (920, 22566), (1104, 18805), (1380, 15044), (1840, 11283), (2760, 7522), (3761, 5520)]