25920720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 240

約数和(自身を含む): 102910080

約数和(自身を除く): 76989360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 111, 112, 120, 126, 139, 140, 144, 148, 168, 180, 185, 210, 222, 240, 252, 259, 278, 280, 296, 315, 333, 336, 360, 370, 417, 420, 444, 504, 518, 555, 556, 560, 592, 630, 666, 695, 720, 740, 777, 834, 840, 888, 973, 1008, 1036, 1110, 1112, 1251, 1260, 1295, 1332, 1390, 1480, 1554, 1665, 1668, 1680, 1776, 1946, 2072, 2085, 2220, 2224, 2331, 2502, 2520, 2590, 2664, 2780, 2919, 2960, 3108, 3330, 3336, 3885, 3892, 4144, 4170, 4440, 4662, 4865, 5004, 5040, 5143, 5180, 5328, 5560, 5838, 6216, 6255, 6660, 6672, 7770, 7784, 8340, 8757, 8880, 9324, 9730, 10008, 10286, 10360, 11120, 11655, 11676, 12432, 12510, 13320, 14595, 15429, 15540, 15568, 16680, 17514, 18648, 19460, 20016, 20572, 20720, 23310, 23352, 25020, 25715, 26640, 29190, 30858, 31080, 33360, 35028, 36001, 37296, 38920, 41144, 43785, 46287, 46620, 46704, 50040, 51430, 58380, 61716, 62160, 70056, 72002, 77145, 77840, 82288, 87570, 92574, 93240, 100080, 102860, 108003, 116760, 123432, 140112, 144004, 154290, 175140, 180005, 185148, 186480, 205720, 216006, 231435, 233520, 246864, 288008, 308580, 324009, 350280, 360010, 370296, 411440, 432012, 462870, 540015, 576016, 617160, 648018, 700560, 720020, 740592, 864024, 925740, 1080030, 1234320, 1296036, 1440040, 1620045, 1728048, 1851480, 2160060, 2592072, 2880080, 3240090, 3702960, 4320120, 5184144, 6480180, 8640240, 12960360, 25920720]

約数ペア:

[(1, 25920720), (2, 12960360), (3, 8640240), (4, 6480180), (5, 5184144), (6, 4320120), (7, 3702960), (8, 3240090), (9, 2880080), (10, 2592072), (12, 2160060), (14, 1851480), (15, 1728048), (16, 1620045), (18, 1440040), (20, 1296036), (21, 1234320), (24, 1080030), (28, 925740), (30, 864024), (35, 740592), (36, 720020), (37, 700560), (40, 648018), (42, 617160), (45, 576016), (48, 540015), (56, 462870), (60, 432012), (63, 411440), (70, 370296), (72, 360010), (74, 350280), (80, 324009), (84, 308580), (90, 288008), (105, 246864), (111, 233520), (112, 231435), (120, 216006), (126, 205720), (139, 186480), (140, 185148), (144, 180005), (148, 175140), (168, 154290), (180, 144004), (185, 140112), (210, 123432), (222, 116760), (240, 108003), (252, 102860), (259, 100080), (278, 93240), (280, 92574), (296, 87570), (315, 82288), (333, 77840), (336, 77145), (360, 72002), (370, 70056), (417, 62160), (420, 61716), (444, 58380), (504, 51430), (518, 50040), (555, 46704), (556, 46620), (560, 46287), (592, 43785), (630, 41144), (666, 38920), (695, 37296), (720, 36001), (740, 35028), (777, 33360), (834, 31080), (840, 30858), (888, 29190), (973, 26640), (1008, 25715), (1036, 25020), (1110, 23352), (1112, 23310), (1251, 20720), (1260, 20572), (1295, 20016), (1332, 19460), (1390, 18648), (1480, 17514), (1554, 16680), (1665, 15568), (1668, 15540), (1680, 15429), (1776, 14595), (1946, 13320), (2072, 12510), (2085, 12432), (2220, 11676), (2224, 11655), (2331, 11120), (2502, 10360), (2520, 10286), (2590, 10008), (2664, 9730), (2780, 9324), (2919, 8880), (2960, 8757), (3108, 8340), (3330, 7784), (3336, 7770), (3885, 6672), (3892, 6660), (4144, 6255), (4170, 6216), (4440, 5838), (4662, 5560), (4865, 5328), (5004, 5180), (5040, 5143)]