155172380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:459

約数の個数: 96

約数和(自身を含む): 372556800

約数和(自身を除く): 217384420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 47, 55, 86, 94, 110, 172, 188, 215, 220, 235, 349, 430, 470, 473, 517, 698, 860, 940, 946, 1034, 1396, 1745, 1892, 2021, 2068, 2365, 2585, 3490, 3839, 4042, 4730, 5170, 6980, 7678, 8084, 9460, 10105, 10340, 15007, 15356, 16403, 19195, 20210, 22231, 30014, 32806, 38390, 40420, 44462, 60028, 65612, 75035, 76780, 82015, 88924, 111155, 150070, 164030, 165077, 180433, 222310, 300140, 328060, 330154, 360866, 444620, 660308, 705329, 721732, 825385, 902165, 1410658, 1650770, 1804330, 2821316, 3301540, 3526645, 3608660, 7053290, 7758619, 14106580, 15517238, 31034476, 38793095, 77586190, 155172380]

約数ペア:

[(1, 155172380), (2, 77586190), (4, 38793095), (5, 31034476), (10, 15517238), (11, 14106580), (20, 7758619), (22, 7053290), (43, 3608660), (44, 3526645), (47, 3301540), (55, 2821316), (86, 1804330), (94, 1650770), (110, 1410658), (172, 902165), (188, 825385), (215, 721732), (220, 705329), (235, 660308), (349, 444620), (430, 360866), (470, 330154), (473, 328060), (517, 300140), (698, 222310), (860, 180433), (940, 165077), (946, 164030), (1034, 150070), (1396, 111155), (1745, 88924), (1892, 82015), (2021, 76780), (2068, 75035), (2365, 65612), (2585, 60028), (3490, 44462), (3839, 40420), (4042, 38390), (4730, 32806), (5170, 30014), (6980, 22231), (7678, 20210), (8084, 19195), (9460, 16403), (10105, 15356), (10340, 15007)]