19987085280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41639761}}^1$

素因数の和:41639779

約数の個数: 48

約数和(自身を含む): 62959320144

約数和(自身を除く): 42972234864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41639761, 83279522, 124919283, 166559044, 208198805, 249838566, 333118088, 416397610, 499677132, 624596415, 666236176, 832795220, 999354264, 1249192830, 1332472352, 1665590440, 1998708528, 2498385660, 3331180880, 3997417056, 4996771320, 6662361760, 9993542640, 19987085280]

約数ペア:

[(1, 19987085280), (2, 9993542640), (3, 6662361760), (4, 4996771320), (5, 3997417056), (6, 3331180880), (8, 2498385660), (10, 1998708528), (12, 1665590440), (15, 1332472352), (16, 1249192830), (20, 999354264), (24, 832795220), (30, 666236176), (32, 624596415), (40, 499677132), (48, 416397610), (60, 333118088), (80, 249838566), (96, 208198805), (120, 166559044), (160, 124919283), (240, 83279522), (480, 41639761)]