155499080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2251}}^1$

素因数の和:2430

約数の個数: 64

約数和(自身を含む): 384281280

約数和(自身を除く): 228782200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 157, 220, 314, 440, 628, 785, 1256, 1570, 1727, 2251, 3140, 3454, 4502, 6280, 6908, 8635, 9004, 11255, 13816, 17270, 18008, 22510, 24761, 34540, 45020, 49522, 69080, 90040, 99044, 123805, 198088, 247610, 353407, 495220, 706814, 990440, 1413628, 1767035, 2827256, 3534070, 3887477, 7068140, 7774954, 14136280, 15549908, 19437385, 31099816, 38874770, 77749540, 155499080]

約数ペア:

[(1, 155499080), (2, 77749540), (4, 38874770), (5, 31099816), (8, 19437385), (10, 15549908), (11, 14136280), (20, 7774954), (22, 7068140), (40, 3887477), (44, 3534070), (55, 2827256), (88, 1767035), (110, 1413628), (157, 990440), (220, 706814), (314, 495220), (440, 353407), (628, 247610), (785, 198088), (1256, 123805), (1570, 99044), (1727, 90040), (2251, 69080), (3140, 49522), (3454, 45020), (4502, 34540), (6280, 24761), (6908, 22510), (8635, 18008), (9004, 17270), (11255, 13816)]