169884080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:558

約数の個数: 80

約数和(自身を含む): 407384640

約数和(自身を除く): 237500560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 103, 106, 206, 212, 265, 389, 412, 424, 515, 530, 778, 824, 848, 1030, 1060, 1556, 1648, 1945, 2060, 2120, 3112, 3890, 4120, 4240, 5459, 6224, 7780, 8240, 10918, 15560, 20617, 21836, 27295, 31120, 40067, 41234, 43672, 54590, 80134, 82468, 87344, 103085, 109180, 160268, 164936, 200335, 206170, 218360, 320536, 329872, 400670, 412340, 436720, 641072, 801340, 824680, 1602680, 1649360, 2123551, 3205360, 4247102, 8494204, 10617755, 16988408, 21235510, 33976816, 42471020, 84942040, 169884080]

約数ペア:

[(1, 169884080), (2, 84942040), (4, 42471020), (5, 33976816), (8, 21235510), (10, 16988408), (16, 10617755), (20, 8494204), (40, 4247102), (53, 3205360), (80, 2123551), (103, 1649360), (106, 1602680), (206, 824680), (212, 801340), (265, 641072), (389, 436720), (412, 412340), (424, 400670), (515, 329872), (530, 320536), (778, 218360), (824, 206170), (848, 200335), (1030, 164936), (1060, 160268), (1556, 109180), (1648, 103085), (1945, 87344), (2060, 82468), (2120, 80134), (3112, 54590), (3890, 43672), (4120, 41234), (4240, 40067), (5459, 31120), (6224, 27295), (7780, 21836), (8240, 20617), (10918, 15560)]