243490520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 680279040

約数和(自身を除く): 436788520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 151, 182, 260, 280, 302, 364, 443, 455, 520, 604, 728, 755, 886, 910, 1057, 1208, 1510, 1772, 1820, 1963, 2114, 2215, 3020, 3101, 3544, 3640, 3926, 4228, 4430, 5285, 5759, 6040, 6202, 7852, 8456, 8860, 9815, 10570, 11518, 12404, 13741, 15505, 15704, 17720, 19630, 21140, 23036, 24808, 27482, 28795, 31010, 39260, 40313, 42280, 46072, 54964, 57590, 62020, 66893, 68705, 78520, 80626, 109928, 115180, 124040, 133786, 137410, 161252, 201565, 230360, 267572, 274820, 322504, 334465, 403130, 468251, 535144, 549640, 668930, 806260, 869609, 936502, 1337860, 1612520, 1739218, 1873004, 2341255, 2675720, 3478436, 3746008, 4348045, 4682510, 6087263, 6956872, 8696090, 9365020, 12174526, 17392180, 18730040, 24349052, 30436315, 34784360, 48698104, 60872630, 121745260, 243490520]

約数ペア:

[(1, 243490520), (2, 121745260), (4, 60872630), (5, 48698104), (7, 34784360), (8, 30436315), (10, 24349052), (13, 18730040), (14, 17392180), (20, 12174526), (26, 9365020), (28, 8696090), (35, 6956872), (40, 6087263), (52, 4682510), (56, 4348045), (65, 3746008), (70, 3478436), (91, 2675720), (104, 2341255), (130, 1873004), (140, 1739218), (151, 1612520), (182, 1337860), (260, 936502), (280, 869609), (302, 806260), (364, 668930), (443, 549640), (455, 535144), (520, 468251), (604, 403130), (728, 334465), (755, 322504), (886, 274820), (910, 267572), (1057, 230360), (1208, 201565), (1510, 161252), (1772, 137410), (1820, 133786), (1963, 124040), (2114, 115180), (2215, 109928), (3020, 80626), (3101, 78520), (3544, 68705), (3640, 66893), (3926, 62020), (4228, 57590), (4430, 54964), (5285, 46072), (5759, 42280), (6040, 40313), (6202, 39260), (7852, 31010), (8456, 28795), (8860, 27482), (9815, 24808), (10570, 23036), (11518, 21140), (12404, 19630), (13741, 17720), (15505, 15704)]