1231188560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{70921}}^1$

素因数の和:70972

約数の個数: 80

約数和(自身を含む): 3377021952

約数和(自身を除く): 2145833392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 70921, 141842, 283684, 354605, 496447, 567368, 709210, 992894, 1134736, 1418420, 1985788, 2198551, 2482235, 2836840, 3971576, 4397102, 4964470, 5673680, 7943152, 8794204, 9928940, 10992755, 15389857, 17588408, 19857880, 21985510, 30779714, 35176816, 39715760, 43971020, 61559428, 76949285, 87942040, 123118856, 153898570, 175884080, 246237712, 307797140, 615594280, 1231188560]

約数ペア:

[(1, 1231188560), (2, 615594280), (4, 307797140), (5, 246237712), (7, 175884080), (8, 153898570), (10, 123118856), (14, 87942040), (16, 76949285), (20, 61559428), (28, 43971020), (31, 39715760), (35, 35176816), (40, 30779714), (56, 21985510), (62, 19857880), (70, 17588408), (80, 15389857), (112, 10992755), (124, 9928940), (140, 8794204), (155, 7943152), (217, 5673680), (248, 4964470), (280, 4397102), (310, 3971576), (434, 2836840), (496, 2482235), (560, 2198551), (620, 1985788), (868, 1418420), (1085, 1134736), (1240, 992894), (1736, 709210), (2170, 567368), (2480, 496447), (3472, 354605), (4340, 283684), (8680, 141842), (17360, 70921)]