77906720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 193052160

約数和(自身を除く): 115145440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 113, 124, 139, 155, 160, 226, 248, 278, 310, 452, 496, 556, 565, 620, 695, 904, 992, 1112, 1130, 1240, 1390, 1808, 2224, 2260, 2480, 2780, 3503, 3616, 4309, 4448, 4520, 4960, 5560, 7006, 8618, 9040, 11120, 14012, 15707, 17236, 17515, 18080, 21545, 22240, 28024, 31414, 34472, 35030, 43090, 56048, 62828, 68944, 70060, 78535, 86180, 112096, 125656, 137888, 140120, 157070, 172360, 251312, 280240, 314140, 344720, 486917, 502624, 560480, 628280, 689440, 973834, 1256560, 1947668, 2434585, 2513120, 3895336, 4869170, 7790672, 9738340, 15581344, 19476680, 38953360, 77906720]

約数ペア:

[(1, 77906720), (2, 38953360), (4, 19476680), (5, 15581344), (8, 9738340), (10, 7790672), (16, 4869170), (20, 3895336), (31, 2513120), (32, 2434585), (40, 1947668), (62, 1256560), (80, 973834), (113, 689440), (124, 628280), (139, 560480), (155, 502624), (160, 486917), (226, 344720), (248, 314140), (278, 280240), (310, 251312), (452, 172360), (496, 157070), (556, 140120), (565, 137888), (620, 125656), (695, 112096), (904, 86180), (992, 78535), (1112, 70060), (1130, 68944), (1240, 62828), (1390, 56048), (1808, 43090), (2224, 35030), (2260, 34472), (2480, 31414), (2780, 28024), (3503, 22240), (3616, 21545), (4309, 18080), (4448, 17515), (4520, 17236), (4960, 15707), (5560, 14012), (7006, 11120), (8618, 9040)]