255550515

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1063}}^1$

素因数の和:1160

約数の個数: 64

約数和(自身を含む): 470679552

約数和(自身を除く): 215129037

約数列:

[1, 3, 5, 11, 15, 31, 33, 47, 55, 93, 141, 155, 165, 235, 341, 465, 517, 705, 1023, 1063, 1457, 1551, 1705, 2585, 3189, 4371, 5115, 5315, 7285, 7755, 11693, 15945, 16027, 21855, 32953, 35079, 48081, 49961, 58465, 80135, 98859, 149883, 164765, 175395, 240405, 249805, 362483, 494295, 549571, 749415, 1087449, 1548791, 1648713, 1812415, 2747855, 4646373, 5437245, 7743955, 8243565, 17036701, 23231865, 51110103, 85183505, 255550515]

約数ペア:

[(1, 255550515), (3, 85183505), (5, 51110103), (11, 23231865), (15, 17036701), (31, 8243565), (33, 7743955), (47, 5437245), (55, 4646373), (93, 2747855), (141, 1812415), (155, 1648713), (165, 1548791), (235, 1087449), (341, 749415), (465, 549571), (517, 494295), (705, 362483), (1023, 249805), (1063, 240405), (1457, 175395), (1551, 164765), (1705, 149883), (2585, 98859), (3189, 80135), (4371, 58465), (5115, 49961), (5315, 48081), (7285, 35079), (7755, 32953), (11693, 21855), (15945, 16027)]