2715440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 7791168

約数和(自身を除く): 5075728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 373, 455, 520, 560, 728, 746, 910, 1040, 1456, 1492, 1820, 1865, 2611, 2984, 3640, 3730, 4849, 5222, 5968, 7280, 7460, 9698, 10444, 13055, 14920, 19396, 20888, 24245, 26110, 29840, 33943, 38792, 41776, 48490, 52220, 67886, 77584, 96980, 104440, 135772, 169715, 193960, 208880, 271544, 339430, 387920, 543088, 678860, 1357720, 2715440]

約数ペア:

[(1, 2715440), (2, 1357720), (4, 678860), (5, 543088), (7, 387920), (8, 339430), (10, 271544), (13, 208880), (14, 193960), (16, 169715), (20, 135772), (26, 104440), (28, 96980), (35, 77584), (40, 67886), (52, 52220), (56, 48490), (65, 41776), (70, 38792), (80, 33943), (91, 29840), (104, 26110), (112, 24245), (130, 20888), (140, 19396), (182, 14920), (208, 13055), (260, 10444), (280, 9698), (364, 7460), (373, 7280), (455, 5968), (520, 5222), (560, 4849), (728, 3730), (746, 3640), (910, 2984), (1040, 2611), (1456, 1865), (1492, 1820)]