78918560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2326

約数の個数: 96

約数和(自身を含む): 220050432

約数和(自身を除く): 141131872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2273, 2480, 3472, 4340, 4546, 4960, 6944, 8680, 9092, 11365, 15911, 17360, 18184, 22730, 31822, 34720, 36368, 45460, 63644, 70463, 72736, 79555, 90920, 127288, 140926, 159110, 181840, 254576, 281852, 318220, 352315, 363680, 493241, 509152, 563704, 636440, 704630, 986482, 1127408, 1272880, 1409260, 1972964, 2254816, 2466205, 2545760, 2818520, 3945928, 4932410, 5637040, 7891856, 9864820, 11274080, 15783712, 19729640, 39459280, 78918560]

約数ペア:

[(1, 78918560), (2, 39459280), (4, 19729640), (5, 15783712), (7, 11274080), (8, 9864820), (10, 7891856), (14, 5637040), (16, 4932410), (20, 3945928), (28, 2818520), (31, 2545760), (32, 2466205), (35, 2254816), (40, 1972964), (56, 1409260), (62, 1272880), (70, 1127408), (80, 986482), (112, 704630), (124, 636440), (140, 563704), (155, 509152), (160, 493241), (217, 363680), (224, 352315), (248, 318220), (280, 281852), (310, 254576), (434, 181840), (496, 159110), (560, 140926), (620, 127288), (868, 90920), (992, 79555), (1085, 72736), (1120, 70463), (1240, 63644), (1736, 45460), (2170, 36368), (2273, 34720), (2480, 31822), (3472, 22730), (4340, 18184), (4546, 17360), (4960, 15911), (6944, 11365), (8680, 9092)]