281036613520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6857}}^1\times {\mathrm{39409}}^1$

素因数の和:46292

約数の個数: 80

約数和(自身を含む): 703792923120

約数和(自身を除く): 422756309600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6857, 13714, 27428, 34285, 39409, 54856, 68570, 78818, 89141, 109712, 137140, 157636, 178282, 197045, 274280, 315272, 356564, 394090, 445705, 512317, 548560, 630544, 713128, 788180, 891410, 1024634, 1426256, 1576360, 1782820, 2049268, 2561585, 3152720, 3565640, 4098536, 5123170, 7131280, 8197072, 10246340, 20492680, 40985360, 270227513, 540455026, 1080910052, 1351137565, 2161820104, 2702275130, 3512957669, 4323640208, 5404550260, 7025915338, 10809100520, 14051830676, 17564788345, 21618201040, 28103661352, 35129576690, 56207322704, 70259153380, 140518306760, 281036613520]

約数ペア:

[(1, 281036613520), (2, 140518306760), (4, 70259153380), (5, 56207322704), (8, 35129576690), (10, 28103661352), (13, 21618201040), (16, 17564788345), (20, 14051830676), (26, 10809100520), (40, 7025915338), (52, 5404550260), (65, 4323640208), (80, 3512957669), (104, 2702275130), (130, 2161820104), (208, 1351137565), (260, 1080910052), (520, 540455026), (1040, 270227513), (6857, 40985360), (13714, 20492680), (27428, 10246340), (34285, 8197072), (39409, 7131280), (54856, 5123170), (68570, 4098536), (78818, 3565640), (89141, 3152720), (109712, 2561585), (137140, 2049268), (157636, 1782820), (178282, 1576360), (197045, 1426256), (274280, 1024634), (315272, 891410), (356564, 788180), (394090, 713128), (445705, 630544), (512317, 548560)]