242374920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:815

約数の個数: 128

約数和(自身を含む): 765469440

約数和(自身を除く): 523094520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 137, 138, 184, 230, 274, 276, 345, 411, 460, 548, 552, 641, 685, 690, 822, 920, 1096, 1282, 1370, 1380, 1644, 1923, 2055, 2564, 2740, 2760, 3151, 3205, 3288, 3846, 4110, 5128, 5480, 6302, 6410, 7692, 8220, 9453, 9615, 12604, 12820, 14743, 15384, 15755, 16440, 18906, 19230, 25208, 25640, 29486, 31510, 37812, 38460, 44229, 47265, 58972, 63020, 73715, 75624, 76920, 87817, 88458, 94530, 117944, 126040, 147430, 175634, 176916, 189060, 221145, 263451, 294860, 351268, 353832, 378120, 439085, 442290, 526902, 589720, 702536, 878170, 884580, 1053804, 1317255, 1756340, 1769160, 2019791, 2107608, 2634510, 3512680, 4039582, 5269020, 6059373, 8079164, 10098955, 10538040, 12118746, 16158328, 20197910, 24237492, 30296865, 40395820, 48474984, 60593730, 80791640, 121187460, 242374920]

約数ペア:

[(1, 242374920), (2, 121187460), (3, 80791640), (4, 60593730), (5, 48474984), (6, 40395820), (8, 30296865), (10, 24237492), (12, 20197910), (15, 16158328), (20, 12118746), (23, 10538040), (24, 10098955), (30, 8079164), (40, 6059373), (46, 5269020), (60, 4039582), (69, 3512680), (92, 2634510), (115, 2107608), (120, 2019791), (137, 1769160), (138, 1756340), (184, 1317255), (230, 1053804), (274, 884580), (276, 878170), (345, 702536), (411, 589720), (460, 526902), (548, 442290), (552, 439085), (641, 378120), (685, 353832), (690, 351268), (822, 294860), (920, 263451), (1096, 221145), (1282, 189060), (1370, 176916), (1380, 175634), (1644, 147430), (1923, 126040), (2055, 117944), (2564, 94530), (2740, 88458), (2760, 87817), (3151, 76920), (3205, 75624), (3288, 73715), (3846, 63020), (4110, 58972), (5128, 47265), (5480, 44229), (6302, 38460), (6410, 37812), (7692, 31510), (8220, 29486), (9453, 25640), (9615, 25208), (12604, 19230), (12820, 18906), (14743, 16440), (15384, 15755)]