653816320

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2011}}^1$

素因数の和:2161

約数の個数: 80

約数和(自身を含む): 1580755968

約数和(自身を除く): 926939648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 1016, 1270, 1280, 2011, 2032, 2540, 2560, 4022, 4064, 5080, 8044, 8128, 10055, 10160, 16088, 16256, 20110, 20320, 32176, 32512, 40220, 40640, 64352, 65024, 80440, 81280, 128704, 160880, 162560, 255397, 257408, 321760, 325120, 510794, 514816, 643520, 1021588, 1029632, 1276985, 1287040, 2043176, 2553970, 2574080, 4086352, 5107940, 5148160, 8172704, 10215880, 16345408, 20431760, 32690816, 40863520, 65381632, 81727040, 130763264, 163454080, 326908160, 653816320]

約数ペア:

[(1, 653816320), (2, 326908160), (4, 163454080), (5, 130763264), (8, 81727040), (10, 65381632), (16, 40863520), (20, 32690816), (32, 20431760), (40, 16345408), (64, 10215880), (80, 8172704), (127, 5148160), (128, 5107940), (160, 4086352), (254, 2574080), (256, 2553970), (320, 2043176), (508, 1287040), (512, 1276985), (635, 1029632), (640, 1021588), (1016, 643520), (1270, 514816), (1280, 510794), (2011, 325120), (2032, 321760), (2540, 257408), (2560, 255397), (4022, 162560), (4064, 160880), (5080, 128704), (8044, 81280), (8128, 80440), (10055, 65024), (10160, 64352), (16088, 40640), (16256, 40220), (20110, 32512), (20320, 32176)]