12721710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 31989312

約数和(自身を除く): 19267602

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 73, 74, 111, 146, 157, 185, 219, 222, 314, 365, 370, 438, 471, 555, 730, 785, 942, 1095, 1110, 1570, 2190, 2355, 2701, 4710, 5402, 5809, 8103, 11461, 11618, 13505, 16206, 17427, 22922, 27010, 29045, 34383, 34854, 40515, 57305, 58090, 68766, 81030, 87135, 114610, 171915, 174270, 343830, 424057, 848114, 1272171, 2120285, 2544342, 4240570, 6360855, 12721710]

約数ペア:

[(1, 12721710), (2, 6360855), (3, 4240570), (5, 2544342), (6, 2120285), (10, 1272171), (15, 848114), (30, 424057), (37, 343830), (73, 174270), (74, 171915), (111, 114610), (146, 87135), (157, 81030), (185, 68766), (219, 58090), (222, 57305), (314, 40515), (365, 34854), (370, 34383), (438, 29045), (471, 27010), (555, 22922), (730, 17427), (785, 16206), (942, 13505), (1095, 11618), (1110, 11461), (1570, 8103), (2190, 5809), (2355, 5402), (2701, 4710)]