678785560

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{4051}}^1$

素因数の和:4192

約数の個数: 64

約数和(自身を含む): 1575417600

約数和(自身を除く): 896632040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 71, 118, 142, 236, 284, 295, 355, 472, 568, 590, 710, 1180, 1420, 2360, 2840, 4051, 4189, 8102, 8378, 16204, 16756, 20255, 20945, 32408, 33512, 40510, 41890, 81020, 83780, 162040, 167560, 239009, 287621, 478018, 575242, 956036, 1150484, 1195045, 1438105, 1912072, 2300968, 2390090, 2876210, 4780180, 5752420, 9560360, 11504840, 16969639, 33939278, 67878556, 84848195, 135757112, 169696390, 339392780, 678785560]

約数ペア:

[(1, 678785560), (2, 339392780), (4, 169696390), (5, 135757112), (8, 84848195), (10, 67878556), (20, 33939278), (40, 16969639), (59, 11504840), (71, 9560360), (118, 5752420), (142, 4780180), (236, 2876210), (284, 2390090), (295, 2300968), (355, 1912072), (472, 1438105), (568, 1195045), (590, 1150484), (710, 956036), (1180, 575242), (1420, 478018), (2360, 287621), (2840, 239009), (4051, 167560), (4189, 162040), (8102, 83780), (8378, 81020), (16204, 41890), (16756, 40510), (20255, 33512), (20945, 32408)]