90218480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{653}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 230637024

約数和(自身を除く): 140418544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 157, 176, 220, 314, 440, 628, 653, 785, 880, 1256, 1306, 1570, 1727, 2512, 2612, 3140, 3265, 3454, 5224, 6280, 6530, 6908, 7183, 8635, 10448, 12560, 13060, 13816, 14366, 17270, 26120, 27632, 28732, 34540, 35915, 52240, 57464, 69080, 71830, 102521, 114928, 138160, 143660, 205042, 287320, 410084, 512605, 574640, 820168, 1025210, 1127731, 1640336, 2050420, 2255462, 4100840, 4510924, 5638655, 8201680, 9021848, 11277310, 18043696, 22554620, 45109240, 90218480]

約数ペア:

[(1, 90218480), (2, 45109240), (4, 22554620), (5, 18043696), (8, 11277310), (10, 9021848), (11, 8201680), (16, 5638655), (20, 4510924), (22, 4100840), (40, 2255462), (44, 2050420), (55, 1640336), (80, 1127731), (88, 1025210), (110, 820168), (157, 574640), (176, 512605), (220, 410084), (314, 287320), (440, 205042), (628, 143660), (653, 138160), (785, 114928), (880, 102521), (1256, 71830), (1306, 69080), (1570, 57464), (1727, 52240), (2512, 35915), (2612, 34540), (3140, 28732), (3265, 27632), (3454, 26120), (5224, 17270), (6280, 14366), (6530, 13816), (6908, 13060), (7183, 12560), (8635, 10448)]