70220720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 169408800

約数和(自身を除く): 99188080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 137, 149, 172, 215, 274, 298, 344, 430, 548, 596, 685, 688, 745, 860, 1096, 1192, 1370, 1490, 1720, 2192, 2384, 2740, 2980, 3440, 5480, 5891, 5960, 6407, 10960, 11782, 11920, 12814, 20413, 23564, 25628, 29455, 32035, 40826, 47128, 51256, 58910, 64070, 81652, 94256, 102065, 102512, 117820, 128140, 163304, 204130, 235640, 256280, 326608, 408260, 471280, 512560, 816520, 877759, 1633040, 1755518, 3511036, 4388795, 7022072, 8777590, 14044144, 17555180, 35110360, 70220720]

約数ペア:

[(1, 70220720), (2, 35110360), (4, 17555180), (5, 14044144), (8, 8777590), (10, 7022072), (16, 4388795), (20, 3511036), (40, 1755518), (43, 1633040), (80, 877759), (86, 816520), (137, 512560), (149, 471280), (172, 408260), (215, 326608), (274, 256280), (298, 235640), (344, 204130), (430, 163304), (548, 128140), (596, 117820), (685, 102512), (688, 102065), (745, 94256), (860, 81652), (1096, 64070), (1192, 58910), (1370, 51256), (1490, 47128), (1720, 40826), (2192, 32035), (2384, 29455), (2740, 25628), (2980, 23564), (3440, 20413), (5480, 12814), (5891, 11920), (5960, 11782), (6407, 10960)]