74020720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1471}}^1$

素因数の和:1538

約数の個数: 80

約数和(自身を含む): 187273728

約数和(自身を除く): 113253008

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 592, 629, 680, 740, 1258, 1360, 1471, 1480, 2516, 2942, 2960, 3145, 5032, 5884, 6290, 7355, 10064, 11768, 12580, 14710, 23536, 25007, 25160, 29420, 50014, 50320, 54427, 58840, 100028, 108854, 117680, 125035, 200056, 217708, 250070, 272135, 400112, 435416, 500140, 544270, 870832, 925259, 1000280, 1088540, 1850518, 2000560, 2177080, 3701036, 4354160, 4626295, 7402072, 9252590, 14804144, 18505180, 37010360, 74020720]

約数ペア:

[(1, 74020720), (2, 37010360), (4, 18505180), (5, 14804144), (8, 9252590), (10, 7402072), (16, 4626295), (17, 4354160), (20, 3701036), (34, 2177080), (37, 2000560), (40, 1850518), (68, 1088540), (74, 1000280), (80, 925259), (85, 870832), (136, 544270), (148, 500140), (170, 435416), (185, 400112), (272, 272135), (296, 250070), (340, 217708), (370, 200056), (592, 125035), (629, 117680), (680, 108854), (740, 100028), (1258, 58840), (1360, 54427), (1471, 50320), (1480, 50014), (2516, 29420), (2942, 25160), (2960, 25007), (3145, 23536), (5032, 14710), (5884, 12580), (6290, 11768), (7355, 10064)]