2643164080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{12379}}^1$

素因数の和:12566

約数の個数: 80

約数和(自身を含む): 6548821920

約数和(自身を除く): 3905657840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 157, 170, 272, 314, 340, 628, 680, 785, 1256, 1360, 1570, 2512, 2669, 3140, 5338, 6280, 10676, 12379, 12560, 13345, 21352, 24758, 26690, 42704, 49516, 53380, 61895, 99032, 106760, 123790, 198064, 210443, 213520, 247580, 420886, 495160, 841772, 990320, 1052215, 1683544, 1943503, 2104430, 3367088, 3887006, 4208860, 7774012, 8417720, 9717515, 15548024, 16835440, 19435030, 31096048, 33039551, 38870060, 66079102, 77740120, 132158204, 155480240, 165197755, 264316408, 330395510, 528632816, 660791020, 1321582040, 2643164080]

約数ペア:

[(1, 2643164080), (2, 1321582040), (4, 660791020), (5, 528632816), (8, 330395510), (10, 264316408), (16, 165197755), (17, 155480240), (20, 132158204), (34, 77740120), (40, 66079102), (68, 38870060), (80, 33039551), (85, 31096048), (136, 19435030), (157, 16835440), (170, 15548024), (272, 9717515), (314, 8417720), (340, 7774012), (628, 4208860), (680, 3887006), (785, 3367088), (1256, 2104430), (1360, 1943503), (1570, 1683544), (2512, 1052215), (2669, 990320), (3140, 841772), (5338, 495160), (6280, 420886), (10676, 247580), (12379, 213520), (12560, 210443), (13345, 198064), (21352, 123790), (24758, 106760), (26690, 99032), (42704, 61895), (49516, 53380)]