89437480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 142805720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 79, 83, 88, 110, 124, 155, 158, 166, 220, 248, 310, 316, 332, 341, 395, 415, 440, 620, 632, 664, 682, 790, 830, 869, 913, 1240, 1364, 1580, 1660, 1705, 1738, 1826, 2449, 2573, 2728, 3160, 3320, 3410, 3476, 3652, 4345, 4565, 4898, 5146, 6557, 6820, 6952, 7304, 8690, 9130, 9796, 10292, 12245, 12865, 13114, 13640, 17380, 18260, 19592, 20584, 24490, 25730, 26228, 26939, 28303, 32785, 34760, 36520, 48980, 51460, 52456, 53878, 56606, 65570, 72127, 97960, 102920, 107756, 113212, 131140, 134695, 141515, 144254, 203267, 215512, 226424, 262280, 269390, 283030, 288508, 360635, 406534, 538780, 566060, 577016, 721270, 813068, 1016335, 1077560, 1132120, 1442540, 1626136, 2032670, 2235937, 2885080, 4065340, 4471874, 8130680, 8943748, 11179685, 17887496, 22359370, 44718740, 89437480]

約数ペア:

[(1, 89437480), (2, 44718740), (4, 22359370), (5, 17887496), (8, 11179685), (10, 8943748), (11, 8130680), (20, 4471874), (22, 4065340), (31, 2885080), (40, 2235937), (44, 2032670), (55, 1626136), (62, 1442540), (79, 1132120), (83, 1077560), (88, 1016335), (110, 813068), (124, 721270), (155, 577016), (158, 566060), (166, 538780), (220, 406534), (248, 360635), (310, 288508), (316, 283030), (332, 269390), (341, 262280), (395, 226424), (415, 215512), (440, 203267), (620, 144254), (632, 141515), (664, 134695), (682, 131140), (790, 113212), (830, 107756), (869, 102920), (913, 97960), (1240, 72127), (1364, 65570), (1580, 56606), (1660, 53878), (1705, 52456), (1738, 51460), (1826, 48980), (2449, 36520), (2573, 34760), (2728, 32785), (3160, 28303), (3320, 26939), (3410, 26228), (3476, 25730), (3652, 24490), (4345, 20584), (4565, 19592), (4898, 18260), (5146, 17380), (6557, 13640), (6820, 13114), (6952, 12865), (7304, 12245), (8690, 10292), (9130, 9796)]