217111560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 676667520

約数和(自身を除く): 459555960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 107, 111, 120, 148, 185, 214, 222, 296, 321, 370, 428, 444, 457, 535, 555, 642, 740, 856, 888, 914, 1070, 1110, 1284, 1371, 1480, 1605, 1828, 2140, 2220, 2285, 2568, 2742, 3210, 3656, 3959, 4280, 4440, 4570, 5484, 6420, 6855, 7918, 9140, 10968, 11877, 12840, 13710, 15836, 16909, 18280, 19795, 23754, 27420, 31672, 33818, 39590, 47508, 48899, 50727, 54840, 59385, 67636, 79180, 84545, 95016, 97798, 101454, 118770, 135272, 146697, 158360, 169090, 195596, 202908, 237540, 244495, 253635, 293394, 338180, 391192, 405816, 475080, 488990, 507270, 586788, 676360, 733485, 977980, 1014540, 1173576, 1466970, 1809263, 1955960, 2029080, 2933940, 3618526, 5427789, 5867880, 7237052, 9046315, 10855578, 14474104, 18092630, 21711156, 27138945, 36185260, 43422312, 54277890, 72370520, 108555780, 217111560]

約数ペア:

[(1, 217111560), (2, 108555780), (3, 72370520), (4, 54277890), (5, 43422312), (6, 36185260), (8, 27138945), (10, 21711156), (12, 18092630), (15, 14474104), (20, 10855578), (24, 9046315), (30, 7237052), (37, 5867880), (40, 5427789), (60, 3618526), (74, 2933940), (107, 2029080), (111, 1955960), (120, 1809263), (148, 1466970), (185, 1173576), (214, 1014540), (222, 977980), (296, 733485), (321, 676360), (370, 586788), (428, 507270), (444, 488990), (457, 475080), (535, 405816), (555, 391192), (642, 338180), (740, 293394), (856, 253635), (888, 244495), (914, 237540), (1070, 202908), (1110, 195596), (1284, 169090), (1371, 158360), (1480, 146697), (1605, 135272), (1828, 118770), (2140, 101454), (2220, 97798), (2285, 95016), (2568, 84545), (2742, 79180), (3210, 67636), (3656, 59385), (3959, 54840), (4280, 50727), (4440, 48899), (4570, 47508), (5484, 39590), (6420, 33818), (6855, 31672), (7918, 27420), (9140, 23754), (10968, 19795), (11877, 18280), (12840, 16909), (13710, 15836)]