51123960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:563

約数の個数: 160

約数和(自身を含む): 177724800

約数和(自身を除く): 126600840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 248, 270, 279, 310, 324, 360, 372, 405, 465, 509, 540, 558, 620, 648, 744, 810, 837, 930, 1018, 1080, 1116, 1240, 1395, 1527, 1620, 1674, 1860, 2036, 2232, 2511, 2545, 2790, 3054, 3240, 3348, 3720, 4072, 4185, 4581, 5022, 5090, 5580, 6108, 6696, 7635, 8370, 9162, 10044, 10180, 11160, 12216, 12555, 13743, 15270, 15779, 16740, 18324, 20088, 20360, 22905, 25110, 27486, 30540, 31558, 33480, 36648, 41229, 45810, 47337, 50220, 54972, 61080, 63116, 68715, 78895, 82458, 91620, 94674, 100440, 109944, 126232, 137430, 142011, 157790, 164916, 183240, 189348, 206145, 236685, 274860, 284022, 315580, 329832, 378696, 412290, 426033, 473370, 549720, 568044, 631160, 710055, 824580, 852066, 946740, 1136088, 1278099, 1420110, 1649160, 1704132, 1893480, 2130165, 2556198, 2840220, 3408264, 4260330, 5112396, 5680440, 6390495, 8520660, 10224792, 12780990, 17041320, 25561980, 51123960]

約数ペア:

[(1, 51123960), (2, 25561980), (3, 17041320), (4, 12780990), (5, 10224792), (6, 8520660), (8, 6390495), (9, 5680440), (10, 5112396), (12, 4260330), (15, 3408264), (18, 2840220), (20, 2556198), (24, 2130165), (27, 1893480), (30, 1704132), (31, 1649160), (36, 1420110), (40, 1278099), (45, 1136088), (54, 946740), (60, 852066), (62, 824580), (72, 710055), (81, 631160), (90, 568044), (93, 549720), (108, 473370), (120, 426033), (124, 412290), (135, 378696), (155, 329832), (162, 315580), (180, 284022), (186, 274860), (216, 236685), (248, 206145), (270, 189348), (279, 183240), (310, 164916), (324, 157790), (360, 142011), (372, 137430), (405, 126232), (465, 109944), (509, 100440), (540, 94674), (558, 91620), (620, 82458), (648, 78895), (744, 68715), (810, 63116), (837, 61080), (930, 54972), (1018, 50220), (1080, 47337), (1116, 45810), (1240, 41229), (1395, 36648), (1527, 33480), (1620, 31558), (1674, 30540), (1860, 27486), (2036, 25110), (2232, 22905), (2511, 20360), (2545, 20088), (2790, 18324), (3054, 16740), (3240, 15779), (3348, 15270), (3720, 13743), (4072, 12555), (4185, 12216), (4581, 11160), (5022, 10180), (5090, 10044), (5580, 9162), (6108, 8370), (6696, 7635)]