263552080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{9661}}^1$

素因数の和:9716

約数の個数: 80

約数和(自身を含む): 690098688

約数和(自身を除く): 426546608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 9661, 13640, 19322, 27280, 38644, 48305, 77288, 96610, 106271, 154576, 193220, 212542, 299491, 386440, 425084, 531355, 598982, 772880, 850168, 1062710, 1197964, 1497455, 1700336, 2125420, 2395928, 2994910, 3294401, 4250840, 4791856, 5989820, 6588802, 8501680, 11979640, 13177604, 16472005, 23959280, 26355208, 32944010, 52710416, 65888020, 131776040, 263552080]

約数ペア:

[(1, 263552080), (2, 131776040), (4, 65888020), (5, 52710416), (8, 32944010), (10, 26355208), (11, 23959280), (16, 16472005), (20, 13177604), (22, 11979640), (31, 8501680), (40, 6588802), (44, 5989820), (55, 4791856), (62, 4250840), (80, 3294401), (88, 2994910), (110, 2395928), (124, 2125420), (155, 1700336), (176, 1497455), (220, 1197964), (248, 1062710), (310, 850168), (341, 772880), (440, 598982), (496, 531355), (620, 425084), (682, 386440), (880, 299491), (1240, 212542), (1364, 193220), (1705, 154576), (2480, 106271), (2728, 96610), (3410, 77288), (5456, 48305), (6820, 38644), (9661, 27280), (13640, 19322)]