72880480

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 180986400

約数和(自身を除く): 108105920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 113, 116, 139, 145, 160, 226, 232, 278, 290, 452, 464, 556, 565, 580, 695, 904, 928, 1112, 1130, 1160, 1390, 1808, 2224, 2260, 2320, 2780, 3277, 3616, 4031, 4448, 4520, 4640, 5560, 6554, 8062, 9040, 11120, 13108, 15707, 16124, 16385, 18080, 20155, 22240, 26216, 31414, 32248, 32770, 40310, 52432, 62828, 64496, 65540, 78535, 80620, 104864, 125656, 128992, 131080, 157070, 161240, 251312, 262160, 314140, 322480, 455503, 502624, 524320, 628280, 644960, 911006, 1256560, 1822012, 2277515, 2513120, 3644024, 4555030, 7288048, 9110060, 14576096, 18220120, 36440240, 72880480]

約数ペア:

[(1, 72880480), (2, 36440240), (4, 18220120), (5, 14576096), (8, 9110060), (10, 7288048), (16, 4555030), (20, 3644024), (29, 2513120), (32, 2277515), (40, 1822012), (58, 1256560), (80, 911006), (113, 644960), (116, 628280), (139, 524320), (145, 502624), (160, 455503), (226, 322480), (232, 314140), (278, 262160), (290, 251312), (452, 161240), (464, 157070), (556, 131080), (565, 128992), (580, 125656), (695, 104864), (904, 80620), (928, 78535), (1112, 65540), (1130, 64496), (1160, 62828), (1390, 52432), (1808, 40310), (2224, 32770), (2260, 32248), (2320, 31414), (2780, 26216), (3277, 22240), (3616, 20155), (4031, 18080), (4448, 16385), (4520, 16124), (4640, 15707), (5560, 13108), (6554, 11120), (8062, 9040)]