72475740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2939}}^1$

素因数の和:3091

約数の個数: 72

約数和(自身を含む): 221523120

約数和(自身を除く): 149047380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 2939, 4110, 4932, 5878, 6165, 8220, 8817, 11756, 12330, 14695, 17634, 24660, 26451, 29390, 35268, 44085, 52902, 58780, 88170, 105804, 132255, 176340, 264510, 402643, 529020, 805286, 1207929, 1610572, 2013215, 2415858, 3623787, 4026430, 4831716, 6039645, 7247574, 8052860, 12079290, 14495148, 18118935, 24158580, 36237870, 72475740]

約数ペア:

[(1, 72475740), (2, 36237870), (3, 24158580), (4, 18118935), (5, 14495148), (6, 12079290), (9, 8052860), (10, 7247574), (12, 6039645), (15, 4831716), (18, 4026430), (20, 3623787), (30, 2415858), (36, 2013215), (45, 1610572), (60, 1207929), (90, 805286), (137, 529020), (180, 402643), (274, 264510), (411, 176340), (548, 132255), (685, 105804), (822, 88170), (1233, 58780), (1370, 52902), (1644, 44085), (2055, 35268), (2466, 29390), (2740, 26451), (2939, 24660), (4110, 17634), (4932, 14695), (5878, 12330), (6165, 11756), (8220, 8817)]