64570760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{353}}^1$

素因数の和:650

約数の個数: 64

約数和(自身を含む): 154839600

約数和(自身を除く): 90268840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 269, 340, 353, 538, 680, 706, 1076, 1345, 1412, 1765, 2152, 2690, 2824, 3530, 4573, 5380, 6001, 7060, 9146, 10760, 12002, 14120, 18292, 22865, 24004, 30005, 36584, 45730, 48008, 60010, 91460, 94957, 120020, 182920, 189914, 240040, 379828, 474785, 759656, 949570, 1614269, 1899140, 3228538, 3798280, 6457076, 8071345, 12914152, 16142690, 32285380, 64570760]

約数ペア:

[(1, 64570760), (2, 32285380), (4, 16142690), (5, 12914152), (8, 8071345), (10, 6457076), (17, 3798280), (20, 3228538), (34, 1899140), (40, 1614269), (68, 949570), (85, 759656), (136, 474785), (170, 379828), (269, 240040), (340, 189914), (353, 182920), (538, 120020), (680, 94957), (706, 91460), (1076, 60010), (1345, 48008), (1412, 45730), (1765, 36584), (2152, 30005), (2690, 24004), (2824, 22865), (3530, 18292), (4573, 14120), (5380, 12002), (6001, 10760), (7060, 9146)]