160802740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{839}}^1$

素因数の和:929

約数の個数: 72

約数和(自身を含む): 397111680

約数和(自身を除く): 236308940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 839, 1036, 1295, 1369, 1678, 2590, 2738, 3356, 4195, 5180, 5476, 5873, 6845, 8390, 9583, 11746, 13690, 16780, 19166, 23492, 27380, 29365, 31043, 38332, 47915, 58730, 62086, 95830, 117460, 124172, 155215, 191660, 217301, 310430, 434602, 620860, 869204, 1086505, 1148591, 2173010, 2297182, 4346020, 4594364, 5742955, 8040137, 11485910, 16080274, 22971820, 32160548, 40200685, 80401370, 160802740]

約数ペア:

[(1, 160802740), (2, 80401370), (4, 40200685), (5, 32160548), (7, 22971820), (10, 16080274), (14, 11485910), (20, 8040137), (28, 5742955), (35, 4594364), (37, 4346020), (70, 2297182), (74, 2173010), (140, 1148591), (148, 1086505), (185, 869204), (259, 620860), (370, 434602), (518, 310430), (740, 217301), (839, 191660), (1036, 155215), (1295, 124172), (1369, 117460), (1678, 95830), (2590, 62086), (2738, 58730), (3356, 47915), (4195, 38332), (5180, 31043), (5476, 29365), (5873, 27380), (6845, 23492), (8390, 19166), (9583, 16780), (11746, 13690)]