80457680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{599}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 198201600

約数和(自身を除く): 117743920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 73, 80, 92, 115, 146, 184, 230, 292, 365, 368, 460, 584, 599, 730, 920, 1168, 1198, 1460, 1679, 1840, 2396, 2920, 2995, 3358, 4792, 5840, 5990, 6716, 8395, 9584, 11980, 13432, 13777, 16790, 23960, 26864, 27554, 33580, 43727, 47920, 55108, 67160, 68885, 87454, 110216, 134320, 137770, 174908, 218635, 220432, 275540, 349816, 437270, 551080, 699632, 874540, 1005721, 1102160, 1749080, 2011442, 3498160, 4022884, 5028605, 8045768, 10057210, 16091536, 20114420, 40228840, 80457680]

約数ペア:

[(1, 80457680), (2, 40228840), (4, 20114420), (5, 16091536), (8, 10057210), (10, 8045768), (16, 5028605), (20, 4022884), (23, 3498160), (40, 2011442), (46, 1749080), (73, 1102160), (80, 1005721), (92, 874540), (115, 699632), (146, 551080), (184, 437270), (230, 349816), (292, 275540), (365, 220432), (368, 218635), (460, 174908), (584, 137770), (599, 134320), (730, 110216), (920, 87454), (1168, 68885), (1198, 67160), (1460, 55108), (1679, 47920), (1840, 43727), (2396, 33580), (2920, 27554), (2995, 26864), (3358, 23960), (4792, 16790), (5840, 13777), (5990, 13432), (6716, 11980), (8395, 9584)]