256413330

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{25667}}^1$

素因数の和:25720

約数の個数: 64

約数和(自身を含む): 702276480

約数和(自身を除く): 445863150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 9990, 25667, 51334, 77001, 128335, 154002, 231003, 256670, 385005, 462006, 693009, 770010, 949679, 1155015, 1386018, 1899358, 2310030, 2849037, 3465045, 4748395, 5698074, 6930090, 8547111, 9496790, 14245185, 17094222, 25641333, 28490370, 42735555, 51282666, 85471110, 128206665, 256413330]

約数ペア:

[(1, 256413330), (2, 128206665), (3, 85471110), (5, 51282666), (6, 42735555), (9, 28490370), (10, 25641333), (15, 17094222), (18, 14245185), (27, 9496790), (30, 8547111), (37, 6930090), (45, 5698074), (54, 4748395), (74, 3465045), (90, 2849037), (111, 2310030), (135, 1899358), (185, 1386018), (222, 1155015), (270, 949679), (333, 770010), (370, 693009), (555, 462006), (666, 385005), (999, 256670), (1110, 231003), (1665, 154002), (1998, 128335), (3330, 77001), (4995, 51334), (9990, 25667)]