51821460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 167311872

約数和(自身を除く): 115490412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 90, 93, 111, 124, 148, 155, 180, 185, 186, 222, 251, 279, 310, 333, 370, 372, 444, 465, 502, 555, 558, 620, 666, 740, 753, 930, 1004, 1110, 1116, 1147, 1255, 1332, 1395, 1506, 1665, 1860, 2220, 2259, 2294, 2510, 2790, 3012, 3330, 3441, 3765, 4518, 4588, 5020, 5580, 5735, 6660, 6882, 7530, 7781, 9036, 9287, 10323, 11295, 11470, 13764, 15060, 15562, 17205, 18574, 20646, 22590, 22940, 23343, 27861, 31124, 34410, 37148, 38905, 41292, 45180, 46435, 46686, 51615, 55722, 68820, 70029, 77810, 83583, 92870, 93372, 103230, 111444, 116715, 139305, 140058, 155620, 167166, 185740, 206460, 233430, 278610, 280116, 287897, 334332, 350145, 417915, 466860, 557220, 575794, 700290, 835830, 863691, 1151588, 1400580, 1439485, 1671660, 1727382, 2591073, 2878970, 3454764, 4318455, 5182146, 5757940, 8636910, 10364292, 12955365, 17273820, 25910730, 51821460]

約数ペア:

[(1, 51821460), (2, 25910730), (3, 17273820), (4, 12955365), (5, 10364292), (6, 8636910), (9, 5757940), (10, 5182146), (12, 4318455), (15, 3454764), (18, 2878970), (20, 2591073), (30, 1727382), (31, 1671660), (36, 1439485), (37, 1400580), (45, 1151588), (60, 863691), (62, 835830), (74, 700290), (90, 575794), (93, 557220), (111, 466860), (124, 417915), (148, 350145), (155, 334332), (180, 287897), (185, 280116), (186, 278610), (222, 233430), (251, 206460), (279, 185740), (310, 167166), (333, 155620), (370, 140058), (372, 139305), (444, 116715), (465, 111444), (502, 103230), (555, 93372), (558, 92870), (620, 83583), (666, 77810), (740, 70029), (753, 68820), (930, 55722), (1004, 51615), (1110, 46686), (1116, 46435), (1147, 45180), (1255, 41292), (1332, 38905), (1395, 37148), (1506, 34410), (1665, 31124), (1860, 27861), (2220, 23343), (2259, 22940), (2294, 22590), (2510, 20646), (2790, 18574), (3012, 17205), (3330, 15562), (3441, 15060), (3765, 13764), (4518, 11470), (4588, 11295), (5020, 10323), (5580, 9287), (5735, 9036), (6660, 7781), (6882, 7530)]